2131023212204 has 12 divisors (see below), whose sum is σ = 3771192763800. Its totient is φ = 1053539565408.

The previous prime is 2131023212203. The next prime is 2131023212249. The reversal of 2131023212204 is 4022123201312.

It is a self number, because there is not a number n which added to its sum of digits gives 2131023212204.

It is not an unprimeable number, because it can be changed into a prime (2131023212203) 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, 2993009774 + ... + 2993010485.

It is an arithmetic number, because the mean of its divisors is an integer number (314266063650).

Almost surely, 2^{2131023212204} is an apocalyptic number.

It is an amenable number.

2131023212204 is a deficient number, since it is larger than the sum of its proper divisors (1640169551596).

2131023212204 is a wasteful number, since it uses less digits than its factorization.

2131023212204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5986020352 (or 5986020350 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2131023212204 its reverse (4022123201312), we get a palindrome (6153146413516).

The spelling of 2131023212204 in words is "two trillion, one hundred thirty-one billion, twenty-three million, two hundred twelve thousand, two hundred four".