1512221216260 has 48 divisors (see below), whose sum is σ = 3209374087920. Its totient is φ = 598483468800.

The previous prime is 1512221216257. The next prime is 1512221216321. The reversal of 1512221216260 is 626121222151.

It can be written as a sum of positive squares in 8 ways, for example, as 463186414084 + 1049034802176 = 680578^2 + 1024224^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1033402 + ... + 2022958.

It is an arithmetic number, because the mean of its divisors is an integer number (66861960165).

Almost surely, 2^{1512221216260} is an apocalyptic number.

1512221216260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1512221216260 is an abundant number, since it is smaller than the sum of its proper divisors (1697152871660).

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

1512221216260 is a wasteful number, since it uses less digits than its factorization.

1512221216260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990376 (or 990374 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 1512221216260 in words is "one trillion, five hundred twelve billion, two hundred twenty-one million, two hundred sixteen thousand, two hundred sixty".