121772441882 has 64 divisors (see below), whose sum is σ = 228781373184. Its totient is φ = 47329297920.

The previous prime is 121772441827. The next prime is 121772441899. The reversal of 121772441882 is 288144277121.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2711918 + ... + 2756454.

It is an arithmetic number, because the mean of its divisors is an integer number (3574708956).

Almost surely, 2^121772441882 is an apocalyptic number.

121772441882 is a deficient number, since it is larger than the sum of its proper divisors (107008931302).

121772441882 is a wasteful number, since it uses less digits than its factorization.

121772441882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44823.

The product of its digits is 401408, while the sum is 47.

The spelling of 121772441882 in words is "one hundred twenty-one billion, seven hundred seventy-two million, four hundred forty-one thousand, eight hundred eighty-two".