121927301292 has 48 divisors (see below), whose sum is σ = 289591414112. Its totient is φ = 39919288320.

The previous prime is 121927301269. The next prime is 121927301339. The reversal of 121927301292 is 292103729121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 121927301292.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77653 + ... + 499884.

Almost surely, 2^121927301292 is an apocalyptic number.

121927301292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121927301292 is an abundant number, since it is smaller than the sum of its proper divisors (167664112820).

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

121927301292 is a wasteful number, since it uses less digits than its factorization.

121927301292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577858 (or 577856 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The spelling of 121927301292 in words is "one hundred twenty-one billion, nine hundred twenty-seven million, three hundred one thousand, two hundred ninety-two".