10100102010012 has 36 divisors (see below), whose sum is σ = 29178072474096. Its totient is φ = 2885743431360.

The previous prime is 10100102009981. The next prime is 10100102010017. The reversal of 10100102010012 is 21001020100101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×10100102010012² (a number of 27 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 = 10100102009976 and 10100102010003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100102010017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20039884689 + ... + 20039885192.

Almost surely, 2^{10100102010012} is an apocalyptic number.

10100102010012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10100102010012 is an abundant number, since it is smaller than the sum of its proper divisors (19077970464084).

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

10100102010012 is a wasteful number, since it uses less digits than its factorization.

10100102010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40079769898 (or 40079769893 counting only the distinct ones).

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

Adding to 10100102010012 its reverse (21001020100101), we get a palindrome (31101122110113).

The spelling of 10100102010012 in words is "ten trillion, one hundred billion, one hundred two million, ten thousand, twelve".