2151200012 has 24 divisors (see below), whose sum is σ = 4058082000. Its totient is φ = 991907136.

The previous prime is 2151199991. The next prime is 2151200033. The reversal of 2151200012 is 2100021512.

It is an interprime number because it is at equal distance from previous prime (2151199991) and next prime (2151200033).

It is a super-2 number, since 2×2151200012² = 9255322983257600288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2151200012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36239 + ... + 74937.

It is an arithmetic number, because the mean of its divisors is an integer number (169086750).

Almost surely, 2^2151200012 is an apocalyptic number.

It is an amenable number.

2151200012 is a deficient number, since it is larger than the sum of its proper divisors (1906881988).

2151200012 is a wasteful number, since it uses less digits than its factorization.

2151200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39785 (or 39783 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 2151200012 is about 46381.0307345579. The cubic root of 2151200012 is about 1290.9029617407.

Adding to 2151200012 its reverse (2100021512), we get a palindrome (4251221524).

The spelling of 2151200012 in words is "two billion, one hundred fifty-one million, two hundred thousand, twelve".