1220952285882 has 48 divisors (see below), whose sum is σ = 3068434479552. Its totient is φ = 343636888320.

The previous prime is 1220952285881. The next prime is 1220952285893. The reversal of 1220952285882 is 2885822590221.

1220952285882 is a `hidden beast` number, since 1 + 2 + 2 + 0 + 9 + 52 + 2 + 8 + 588 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (1220952285881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72305719 + ... + 72322602.

It is an arithmetic number, because the mean of its divisors is an integer number (63925718324).

Almost surely, 2^{1220952285882} is an apocalyptic number.

1220952285882 is an abundant number, since it is smaller than the sum of its proper divisors (1847482193670).

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

1220952285882 is a wasteful number, since it uses less digits than its factorization.

1220952285882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144628403 (or 144628400 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 54.

The spelling of 1220952285882 in words is "one trillion, two hundred twenty billion, nine hundred fifty-two million, two hundred eighty-five thousand, eight hundred eighty-two".