20111313032412 has 96 divisors (see below), whose sum is σ = 55624975848960. Its totient is φ = 5535435283200.

The previous prime is 20111313032411. The next prime is 20111313032453. The reversal of 20111313032412 is 21423031311102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20111313032411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31719862 + ... + 32347677.

It is an arithmetic number, because the mean of its divisors is an integer number (579426831760).

Almost surely, 2^{20111313032412} is an apocalyptic number.

It is an amenable number.

20111313032412 is an abundant number, since it is smaller than the sum of its proper divisors (35513662816548).

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

20111313032412 is a wasteful number, since it uses less digits than its factorization.

20111313032412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64067691 (or 64067689 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 20111313032412 its reverse (21423031311102), we get a palindrome (41534344343514).

The spelling of 20111313032412 in words is "twenty trillion, one hundred eleven billion, three hundred thirteen million, thirty-two thousand, four hundred twelve".