2102202131612 has 12 divisors (see below), whose sum is σ = 4013294978616. Its totient is φ = 955546423440.

The previous prime is 2102202131611. The next prime is 2102202131669. The reversal of 2102202131612 is 2161312022012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102202131611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23888660543 + ... + 23888660630.

It is an arithmetic number, because the mean of its divisors is an integer number (334441248218).

Almost surely, 2^{2102202131612} is an apocalyptic number.

2102202131612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2102202131612 is a deficient number, since it is larger than the sum of its proper divisors (1911092847004).

2102202131612 is a wasteful number, since it uses less digits than its factorization.

2102202131612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47777321188 (or 47777321186 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 2102202131612 its reverse (2161312022012), we get a palindrome (4263514153624).

The spelling of 2102202131612 in words is "two trillion, one hundred two billion, two hundred two million, one hundred thirty-one thousand, six hundred twelve".