12261012 has 24 divisors (see below), whose sum is σ = 30292416. Its totient is φ = 3846528.

The previous prime is 12260993. The next prime is 12261013. The reversal of 12261012 is 21016221.

12261012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12260982 and 12261000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12261013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29848 + ... + 30255.

It is an arithmetic number, because the mean of its divisors is an integer number (1262184).

Almost surely, 2^12261012 is an apocalyptic number.

12261012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12261012 is an abundant number, since it is smaller than the sum of its proper divisors (18031404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12261012 is a wasteful number, since it uses less digits than its factorization.

12261012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60127 (or 60125 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 12261012 is about 3501.5727894762. The cubic root of 12261012 is about 230.5908689144.

Adding to 12261012 its reverse (21016221), we get a palindrome (33277233).

The spelling of 12261012 in words is "twelve million, two hundred sixty-one thousand, twelve".