1222990925520 has 960 divisors, whose sum is σ = 4939303864320. Its totient is φ = 247822073856.

The previous prime is 1222990925413. The next prime is 1222990925551. The reversal of 1222990925520 is 255290992221.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 1222990925520.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 988674342 + ... + 988675578.

It is an arithmetic number, because the mean of its divisors is an integer number (5145108192).

Almost surely, 2^{1222990925520} is an apocalyptic number.

1222990925520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222990925520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2469651932160).

1222990925520 is an abundant number, since it is smaller than the sum of its proper divisors (3716312938800).

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

1222990925520 is a wasteful number, since it uses less digits than its factorization.

1222990925520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532 (or 1519 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 48.

The spelling of 1222990925520 in words is "one trillion, two hundred twenty-two billion, nine hundred ninety million, nine hundred twenty-five thousand, five hundred twenty".