121790824152 has 192 divisors, whose sum is σ = 329920231680. Its totient is φ = 37367801856.

The previous prime is 121790824123. The next prime is 121790824171. The reversal of 121790824152 is 251428097121.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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, 260793823 + ... + 260794289.

It is an arithmetic number, because the mean of its divisors is an integer number (1718334540).

Almost surely, 2^121790824152 is an apocalyptic number.

121790824152 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 121790824152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164960115840).

121790824152 is an abundant number, since it is smaller than the sum of its proper divisors (208129407528).

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

121790824152 is a wasteful number, since it uses less digits than its factorization.

121790824152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762 (or 645 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The spelling of 121790824152 in words is "one hundred twenty-one billion, seven hundred ninety million, eight hundred twenty-four thousand, one hundred fifty-two".