2102131223312 has 40 divisors (see below), whose sum is σ = 4142132728800. Its totient is φ = 1033195652352.

The previous prime is 2102131223281. The next prime is 2102131223321. The reversal of 2102131223312 is 2133221312012.

It is a super-2 number, since 2×2102131223312² (a number of 25 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 21861323 + ... + 21957269.

It is an arithmetic number, because the mean of its divisors is an integer number (103553318220).

Almost surely, 2^{2102131223312} is an apocalyptic number.

It is an amenable number.

2102131223312 is a deficient number, since it is larger than the sum of its proper divisors (2040001505488).

2102131223312 is a wasteful number, since it uses less digits than its factorization.

2102131223312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119223 (or 119217 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2102131223312 its reverse (2133221312012), we get a palindrome (4235352535324).

The spelling of 2102131223312 in words is "two trillion, one hundred two billion, one hundred thirty-one million, two hundred twenty-three thousand, three hundred twelve".