12221032080 has 80 divisors (see below), whose sum is σ = 40113753984. Its totient is φ = 3067238400.

The previous prime is 12221032003. The next prime is 12221032081. The reversal of 12221032080 is 8023012221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (12221032081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1493596 + ... + 1501755.

Almost surely, 2^12221032080 is an apocalyptic number.

12221032080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12221032080 is an abundant number, since it is smaller than the sum of its proper divisors (27892721904).

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

12221032080 is a wasteful number, since it uses less digits than its factorization.

12221032080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2995384 (or 2995378 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

It can be divided in two parts, 122210 and 32080, that added together give a triangular number (154290 = T₅₅₅).

The spelling of 12221032080 in words is "twelve billion, two hundred twenty-one million, thirty-two thousand, eighty".