121082318292 has 96 divisors (see below), whose sum is σ = 306370892800. Its totient is φ = 36998249472.

The previous prime is 121082318221. The next prime is 121082318303. The reversal of 121082318292 is 292813280121.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 121082318292.

It is a congruent number.

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, 14606973 + ... + 14615259.

Almost surely, 2^121082318292 is an apocalyptic number.

121082318292 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 121082318292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153185446400).

121082318292 is an abundant number, since it is smaller than the sum of its proper divisors (185288574508).

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

121082318292 is a wasteful number, since it uses less digits than its factorization.

121082318292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8945 (or 8943 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The spelling of 121082318292 in words is "one hundred twenty-one billion, eighty-two million, three hundred eighteen thousand, two hundred ninety-two".