1512205220712 has 16 divisors (see below), whose sum is σ = 3780513051840. Its totient is φ = 504068406896.

The previous prime is 1512205220689. The next prime is 1512205220717. The reversal of 1512205220712 is 2170225022151.

It is a self number, because there is not a number n which added to its sum of digits gives 1512205220712.

It is not an unprimeable number, because it can be changed into a prime (1512205220717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31504275408 + ... + 31504275455.

It is an arithmetic number, because the mean of its divisors is an integer number (236282065740).

Almost surely, 2^{1512205220712} is an apocalyptic number.

1512205220712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1512205220712 is an abundant number, since it is smaller than the sum of its proper divisors (2268307831128).

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

1512205220712 is a wasteful number, since it uses less digits than its factorization.

1512205220712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63008550872 (or 63008550868 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The spelling of 1512205220712 in words is "one trillion, five hundred twelve billion, two hundred five million, two hundred twenty thousand, seven hundred twelve".