2151133055212 has 12 divisors (see below), whose sum is σ = 3764710850320. Its totient is φ = 1075501383696.

The previous prime is 2151133055191. The next prime is 2151133055213. The reversal of 2151133055212 is 2125503311512.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2151133055213) 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, 16211643 + ... + 16343794.

Almost surely, 2^{2151133055212} is an apocalyptic number.

It is an amenable number.

2151133055212 is a deficient number, since it is larger than the sum of its proper divisors (1613577795108).

2151133055212 is a wasteful number, since it uses less digits than its factorization.

2151133055212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32571960 (or 32571958 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 2151133055212 its reverse (2125503311512), we get a palindrome (4276636366724).

The spelling of 2151133055212 in words is "two trillion, one hundred fifty-one billion, one hundred thirty-three million, fifty-five thousand, two hundred twelve".