2100020002212 has 24 divisors (see below), whose sum is σ = 5345505460512. Its totient is φ = 636369697600.

The previous prime is 2100020002211. The next prime is 2100020002229. The reversal of 2100020002212 is 2122000200012.

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

It is not an unprimeable number, because it can be changed into a prime (2100020002211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7954621089 + ... + 7954621352.

It is an arithmetic number, because the mean of its divisors is an integer number (222729394188).

Almost surely, 2^{2100020002212} is an apocalyptic number.

2100020002212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2100020002212 is an abundant number, since it is smaller than the sum of its proper divisors (3245485458300).

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

2100020002212 is a wasteful number, since it uses less digits than its factorization.

2100020002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15909242459 (or 15909242457 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2100020002212 its reverse (2122000200012), we get a palindrome (4222020202224).

The spelling of 2100020002212 in words is "two trillion, one hundred billion, twenty million, two thousand, two hundred twelve".