2101210000212 has 24 divisors (see below), whose sum is σ = 4907893498816. Its totient is φ = 699679024128.

The previous prime is 2101210000117. The next prime is 2101210000217. The reversal of 2101210000212 is 2120000121012.

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 (2101210000217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90526573 + ... + 90549780.

Almost surely, 2^{2101210000212} is an apocalyptic number.

It is an amenable number.

2101210000212 is an abundant number, since it is smaller than the sum of its proper divisors (2806683498604).

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

2101210000212 is a wasteful number, since it uses less digits than its factorization.

2101210000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181077327 (or 181077325 counting only the distinct ones).

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

Adding to 2101210000212 its reverse (2120000121012), we get a palindrome (4221210121224).

The spelling of 2101210000212 in words is "two trillion, one hundred one billion, two hundred ten million, two hundred twelve", and thus it is an aban number.