100212010012020 has 48 divisors (see below), whose sum is σ = 280594063975680. Its totient is φ = 26723161151616.

The previous prime is 100212010012013. The next prime is 100212010012039. The reversal of 100212010012020 is 20210010212001.

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

It is a junction number, because it is equal to n+sod(n) for n = 100212010011987 and 100212010012005.

It is a congruent 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, 70256086 + ... + 71668274.

It is an arithmetic number, because the mean of its divisors is an integer number (5845709666160).

Almost surely, 2^{100212010012020} is an apocalyptic number.

100212010012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100212010012020 is an abundant number, since it is smaller than the sum of its proper divisors (180382053963660).

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

100212010012020 is a wasteful number, since it uses less digits than its factorization.

100212010012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2594904 (or 2594902 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100212010012020 its reverse (20210010212001), we get a palindrome (120422020224021).

The spelling of 100212010012020 in words is "one hundred trillion, two hundred twelve billion, ten million, twelve thousand, twenty".