2012321022102 has 32 divisors (see below), whose sum is σ = 4473250380000. Its totient is φ = 670559791104.

The previous prime is 2012321022071. The next prime is 2012321022167. The reversal of 2012321022102 is 2012201232102.

2012321022102 is a `hidden beast` number, since 201 + 232 + 10 + 221 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 5770227 + ... + 6109022.

It is an arithmetic number, because the mean of its divisors is an integer number (139789074375).

Almost surely, 2^{2012321022102} is an apocalyptic number.

2012321022102 is an abundant number, since it is smaller than the sum of its proper divisors (2460929357898).

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

2012321022102 is a wasteful number, since it uses less digits than its factorization.

2012321022102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11882397 (or 11882391 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2012321022102 its reverse (2012201232102), we get a palindrome (4024522254204).

The spelling of 2012321022102 in words is "two trillion, twelve billion, three hundred twenty-one million, twenty-two thousand, one hundred two".