2131212022002 has 72 divisors (see below), whose sum is σ = 5380203301200. Its totient is φ = 607933852848.

The previous prime is 2131212021979. The next prime is 2131212022031. The reversal of 2131212022002 is 2002202121312.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1405852 + ... + 2497767.

It is an arithmetic number, because the mean of its divisors is an integer number (74725045850).

Almost surely, 2^{2131212022002} is an apocalyptic number.

2131212022002 is an abundant number, since it is smaller than the sum of its proper divisors (3248991279198).

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

2131212022002 is a wasteful number, since it uses less digits than its factorization.

2131212022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3904260 (or 3904250 counting only the distinct ones).

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

Adding to 2131212022002 its reverse (2002202121312), we get a palindrome (4133414143314).

The spelling of 2131212022002 in words is "two trillion, one hundred thirty-one billion, two hundred twelve million, twenty-two thousand, two".