100020010011012 has 72 divisors (see below), whose sum is σ = 311173364488896. Its totient is φ = 26378903738304.

The previous prime is 100020010010989. The next prime is 100020010011023. The reversal of 100020010011012 is 210110010020001.

It is a happy number.

It is a super-2 number, since 2×100020010011012² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 100020010010985 and 100020010011003.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15265566018 + ... + 15265572569.

It is an arithmetic number, because the mean of its divisors is an integer number (4321852284568).

Almost surely, 2^{100020010011012} is an apocalyptic number.

100020010011012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100020010011012 is an abundant number, since it is smaller than the sum of its proper divisors (211153354477884).

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

100020010011012 is a wasteful number, since it uses less digits than its factorization.

100020010011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30531138617 (or 30531138612 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 100020010011012 its reverse (210110010020001), we get a palindrome (310130020031013).

The spelling of 100020010011012 in words is "one hundred trillion, twenty billion, ten million, eleven thousand, twelve".