20120312401013 has 16 divisors (see below), whose sum is σ = 22993730323200. Its totient is φ = 17436912118080.

The previous prime is 20120312400899. The next prime is 20120312401031. The reversal of 20120312401013 is 31010421302102.

It is a cyclic number.

It is not a de Polignac number, because 20120312401013 - 2²⁰ = 20120311352437 is a prime.

It is a super-2 number, since 2×20120312401013² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120312401043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399171506 + ... + 399221907.

It is an arithmetic number, because the mean of its divisors is an integer number (1437108145200).

Almost surely, 2^{20120312401013} is an apocalyptic number.

It is an amenable number.

20120312401013 is a deficient number, since it is larger than the sum of its proper divisors (2873417922187).

20120312401013 is a wasteful number, since it uses less digits than its factorization.

20120312401013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798393532.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20120312401013 its reverse (31010421302102), we get a palindrome (51130733703115).

The spelling of 20120312401013 in words is "twenty trillion, one hundred twenty billion, three hundred twelve million, four hundred one thousand, thirteen".