121727092032 has 336 divisors, whose sum is σ = 448306057920. Its totient is φ = 32103558144.

The previous prime is 121727091991. The next prime is 121727092051. The reversal of 121727092032 is 230290727121.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1045443 + ... + 1156029.

It is an arithmetic number, because the mean of its divisors is an integer number (1334244220).

Almost surely, 2^121727092032 is an apocalyptic number.

121727092032 is a gapful number since it is divisible by the number (12) 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 121727092032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224153028960).

121727092032 is an abundant number, since it is smaller than the sum of its proper divisors (326578965888).

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

121727092032 is a wasteful number, since it uses less digits than its factorization.

121727092032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110635 (or 110612 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The spelling of 121727092032 in words is "one hundred twenty-one billion, seven hundred twenty-seven million, ninety-two thousand, thirty-two".