2100010120212 has 48 divisors (see below), whose sum is σ = 5117752624320. Its totient is φ = 669540552192.

The previous prime is 2100010120183. The next prime is 2100010120213. The reversal of 2100010120212 is 2120210100012.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100010120213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40056453 + ... + 40108844.

It is an arithmetic number, because the mean of its divisors is an integer number (106619846340).

Almost surely, 2^{2100010120212} is an apocalyptic number.

It is an amenable number.

2100010120212 is an abundant number, since it is smaller than the sum of its proper divisors (3017742504108).

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

2100010120212 is a wasteful number, since it uses less digits than its factorization.

2100010120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80165400 (or 80165398 counting only the distinct ones).

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

Adding to 2100010120212 its reverse (2120210100012), we get a palindrome (4220220220224).

It can be divided in two parts, 2100010 and 120212, that added together give a palindrome (2220222).

The spelling of 2100010120212 in words is "two trillion, one hundred billion, ten million, one hundred twenty thousand, two hundred twelve".