1272012 has 48 divisors (see below), whose sum is σ = 3575040. Its totient is φ = 343872.

The previous prime is 1272001. The next prime is 1272043. The reversal of 1272012 is 2102721.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1271982 and 1272000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1198 + ... + 1994.

It is an arithmetic number, because the mean of its divisors is an integer number (74480).

2^1272012 is an apocalyptic number.

1272012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1272012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1787520).

1272012 is an abundant number, since it is smaller than the sum of its proper divisors (2303028).

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

1272012 is a wasteful number, since it uses less digits than its factorization.

1272012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 1272012 is about 1127.8350943290. The cubic root of 1272012 is about 108.3503710218.

Adding to 1272012 its reverse (2102721), we get a palindrome (3374733).

The spelling of 1272012 in words is "one million, two hundred seventy-two thousand, twelve".