2151210144012 has 96 divisors (see below), whose sum is σ = 5251064620032. Its totient is φ = 684765344256.

The previous prime is 2151210143959. The next prime is 2151210144019. The reversal of 2151210144012 is 2104410121512.

It is a super-2 number, since 2×2151210144012² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2151210144019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23065618 + ... + 23158694.

It is an arithmetic number, because the mean of its divisors is an integer number (54698589792).

Almost surely, 2^{2151210144012} is an apocalyptic number.

It is an amenable number.

2151210144012 is an abundant number, since it is smaller than the sum of its proper divisors (3099854476020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2151210144012 is a wasteful number, since it uses less digits than its factorization.

2151210144012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94127 (or 94125 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

Adding to 2151210144012 its reverse (2104410121512), we get a palindrome (4255620265524).

The spelling of 2151210144012 in words is "two trillion, one hundred fifty-one billion, two hundred ten million, one hundred forty-four thousand, twelve".