100520112512012 has 12 divisors (see below), whose sum is σ = 176005437946800. Its totient is φ = 50232844527216.

The previous prime is 100520112511993. The next prime is 100520112512021. The reversal of 100520112512012 is 210215211025001.

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, 6802923887 + ... + 6802938662.

It is an arithmetic number, because the mean of its divisors is an integer number (14667119828900).

Almost surely, 2^{100520112512012} is an apocalyptic number.

It is an amenable number.

100520112512012 is a deficient number, since it is larger than the sum of its proper divisors (75485325434788).

100520112512012 is a wasteful number, since it uses less digits than its factorization.

100520112512012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13605864400 (or 13605864398 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 23.

Adding to 100520112512012 its reverse (210215211025001), we get a palindrome (310735323537013).

The spelling of 100520112512012 in words is "one hundred trillion, five hundred twenty billion, one hundred twelve million, five hundred twelve thousand, twelve".