1212150051 has 12 divisors (see below), whose sum is σ = 2001009712. Its totient is φ = 692657136.

The previous prime is 1212150047. The next prime is 1212150059. The reversal of 1212150051 is 1500512121.

It is not a de Polignac number, because 1212150051 - 2² = 1212150047 is a prime.

It is a super-2 number, since 2×1212150051² = 2938615492278605202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212150059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9620176 + ... + 9620301.

Almost surely, 2^1212150051 is an apocalyptic number.

1212150051 is a deficient number, since it is larger than the sum of its proper divisors (788859661).

1212150051 is a wasteful number, since it uses less digits than its factorization.

1212150051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19240490 (or 19240487 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 1212150051 is about 34815.9453555408. The cubic root of 1212150051 is about 1066.2330200926.

Adding to 1212150051 its reverse (1500512121), we get a palindrome (2712662172).

The spelling of 1212150051 in words is "one billion, two hundred twelve million, one hundred fifty thousand, fifty-one".