881212920 has 64 divisors (see below), whose sum is σ = 3021304320. Its totient is φ = 201419904.

The previous prime is 881212919. The next prime is 881212931. The reversal of 881212920 is 29212188.

It is a congruent number.

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, 523692 + ... + 525371.

It is an arithmetic number, because the mean of its divisors is an integer number (47207880).

Almost surely, 2^881212920 is an apocalyptic number.

It is an amenable number.

881212920 is an abundant number, since it is smaller than the sum of its proper divisors (2140091400).

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

881212920 is a wasteful number, since it uses less digits than its factorization.

881212920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049084 (or 1049080 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 881212920 is about 29685.2306711604. The cubic root of 881212920 is about 958.7240426954.

The spelling of 881212920 in words is "eight hundred eighty-one million, two hundred twelve thousand, nine hundred twenty".