1012521552320 has 56 divisors (see below), whose sum is σ = 2476230946944. Its totient is φ = 394062437376.

The previous prime is 1012521552313. The next prime is 1012521552359. The reversal of 1012521552320 is 232551252101.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42746672 + ... + 42770351.

Almost surely, 2^{1012521552320} is an apocalyptic number.

1012521552320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012521552320 is an abundant number, since it is smaller than the sum of its proper divisors (1463709394624).

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

1012521552320 is an equidigital number, since it uses as much as digits as its factorization.

1012521552320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85517077 (or 85517067 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 1012521552320 in words is "one trillion, twelve billion, five hundred twenty-one million, five hundred fifty-two thousand, three hundred twenty".