2131212200212 has 24 divisors (see below), whose sum is σ = 3889621756160. Its totient is φ = 1020600449280.

The previous prime is 2131212200209. The next prime is 2131212200237. The reversal of 2131212200212 is 2120022121312.

It is a self number, because there is not a number n which added to its sum of digits gives 2131212200212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88581762 + ... + 88605817.

Almost surely, 2^{2131212200212} is an apocalyptic number.

It is an amenable number.

2131212200212 is a deficient number, since it is larger than the sum of its proper divisors (1758409555948).

2131212200212 is a wasteful number, since it uses less digits than its factorization.

2131212200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177187711 (or 177187709 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2131212200212 its reverse (2120022121312), we get a palindrome (4251234321524).

The spelling of 2131212200212 in words is "two trillion, one hundred thirty-one billion, two hundred twelve million, two hundred thousand, two hundred twelve".