1552021473612 has 24 divisors (see below), whose sum is σ = 3622108000000. Its totient is φ = 517236982416.

The previous prime is 1552021473593. The next prime is 1552021473671. The reversal of 1552021473612 is 2163741202551.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12876112 + ... + 12996087.

Almost surely, 2^{1552021473612} is an apocalyptic number.

1552021473612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1552021473612 is an abundant number, since it is smaller than the sum of its proper divisors (2070086526388).

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

1552021473612 is a wasteful number, since it uses less digits than its factorization.

1552021473612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25877205 (or 25877203 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 1552021473612 in words is "one trillion, five hundred fifty-two billion, twenty-one million, four hundred seventy-three thousand, six hundred twelve".