10012112111020 has 48 divisors (see below), whose sum is σ = 21716935688448. Its totient is φ = 3873288372480.

The previous prime is 10012112110993. The next prime is 10012112111149. The reversal of 10012112111020 is 2011121121001.

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, 3917427 + ... + 5947306.

It is an arithmetic number, because the mean of its divisors is an integer number (452436160176).

Almost surely, 2^{10012112111020} is an apocalyptic number.

10012112111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10012112111020 is an abundant number, since it is smaller than the sum of its proper divisors (11704823577428).

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

10012112111020 is a wasteful number, since it uses less digits than its factorization.

10012112111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9866410 (or 9866408 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10012112111020 its reverse (2011121121001), we get a palindrome (12023233232021).

The spelling of 10012112111020 in words is "ten trillion, twelve billion, one hundred twelve million, one hundred eleven thousand, twenty".