1401344012 has 12 divisors (see below), whose sum is σ = 2581423320. Its totient is φ = 663794496.

The previous prime is 1401343991. The next prime is 1401344027. The reversal of 1401344012 is 2104431041.

It is a super-2 number, since 2×1401344012² = 3927530079936512288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9219293 + ... + 9219444.

It is an arithmetic number, because the mean of its divisors is an integer number (215118610).

Almost surely, 2^1401344012 is an apocalyptic number.

It is an amenable number.

1401344012 is a deficient number, since it is larger than the sum of its proper divisors (1180079308).

1401344012 is a wasteful number, since it uses less digits than its factorization.

1401344012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18438760 (or 18438758 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1401344012 is about 37434.5296751542. The cubic root of 1401344012 is about 1119.0468112444.

Adding to 1401344012 its reverse (2104431041), we get a palindrome (3505775053).

The spelling of 1401344012 in words is "one billion, four hundred one million, three hundred forty-four thousand, twelve".