121190927292 has 72 divisors (see below), whose sum is σ = 325344447792. Its totient is φ = 37905753600.

The previous prime is 121190927269. The next prime is 121190927311. The reversal of 121190927292 is 292729091121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96559 + ... + 501702.

It is an arithmetic number, because the mean of its divisors is an integer number (4518672886).

Almost surely, 2^121190927292 is an apocalyptic number.

121190927292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121190927292 is an abundant number, since it is smaller than the sum of its proper divisors (204153520500).

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

121190927292 is a wasteful number, since it uses less digits than its factorization.

121190927292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598619 (or 598614 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The spelling of 121190927292 in words is "one hundred twenty-one billion, one hundred ninety million, nine hundred twenty-seven thousand, two hundred ninety-two".