1401244212 has 12 divisors (see below), whose sum is σ = 3269569856. Its totient is φ = 467081400.

The previous prime is 1401244211. The next prime is 1401244217. The reversal of 1401244212 is 2124421041.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401244211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58385164 + ... + 58385187.

Almost surely, 2^1401244212 is an apocalyptic number.

1401244212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1401244212 is an abundant number, since it is smaller than the sum of its proper divisors (1868325644).

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

1401244212 is a wasteful number, since it uses less digits than its factorization.

1401244212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116770358 (or 116770356 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1401244212 is about 37433.1966575124. The cubic root of 1401244212 is about 1119.0202454328.

Adding to 1401244212 its reverse (2124421041), we get a palindrome (3525665253).

The spelling of 1401244212 in words is "one billion, four hundred one million, two hundred forty-four thousand, two hundred twelve".