20000012111112 has 32 divisors (see below), whose sum is σ = 54545487576480. Its totient is φ = 6060609730560.

The previous prime is 20000012111111. The next prime is 20000012111113. The reversal of 20000012111112 is 21111121000002.

It is an interprime number because it is at equal distance from previous prime (20000012111111) and next prime (20000012111113).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (20000012111111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37878810553 + ... + 37878811080.

It is an arithmetic number, because the mean of its divisors is an integer number (1704546486765).

Almost surely, 2^{20000012111112} is an apocalyptic number.

20000012111112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20000012111112 is an abundant number, since it is smaller than the sum of its proper divisors (34545475465368).

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

20000012111112 is a wasteful number, since it uses less digits than its factorization.

20000012111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75757621653 (or 75757621649 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20000012111112 its reverse (21111121000002), we get a palindrome (41111133111114).

The spelling of 20000012111112 in words is "twenty trillion, twelve million, one hundred eleven thousand, one hundred twelve".