121202352151320 has 512 divisors, whose sum is σ = 425368470159360. Its totient is φ = 27331155456000.

The previous prime is 121202352151301. The next prime is 121202352151399. The reversal of 121202352151320 is 23151253202121.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 386963817 + ... + 387276903.

It is an arithmetic number, because the mean of its divisors is an integer number (830797793280).

Almost surely, 2^{121202352151320} is an apocalyptic number.

121202352151320 is a gapful number since it is divisible by the number (10) 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 121202352151320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212684235079680).

121202352151320 is an abundant number, since it is smaller than the sum of its proper divisors (304166118008040).

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

121202352151320 is a wasteful number, since it uses less digits than its factorization.

121202352151320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313487 (or 313483 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 121202352151320 in words is "one hundred twenty-one trillion, two hundred two billion, three hundred fifty-two million, one hundred fifty-one thousand, three hundred twenty".