1401012400012 has 48 divisors (see below), whose sum is σ = 2495009520640. Its totient is φ = 688210852032.

The previous prime is 1401012400009. The next prime is 1401012400147. The reversal of 1401012400012 is 2100042101041.

It is a happy number.

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, 182681314 + ... + 182688982.

Almost surely, 2^{1401012400012} is an apocalyptic number.

It is an amenable number.

1401012400012 is a deficient number, since it is larger than the sum of its proper divisors (1093997120628).

1401012400012 is a wasteful number, since it uses less digits than its factorization.

1401012400012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9470 (or 9468 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1401012400012 its reverse (2100042101041), we get a palindrome (3501054501053).

The spelling of 1401012400012 in words is "one trillion, four hundred one billion, twelve million, four hundred thousand, twelve".