121502870382 has 16 divisors (see below), whose sum is σ = 243009648720. Its totient is φ = 40500305472.

The previous prime is 121502870353. The next prime is 121502870387. The reversal of 121502870382 is 283078205121.

It is a super-2 number, since 2×121502870382² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121502870382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121502870387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381148 + ... + 623120.

It is an arithmetic number, because the mean of its divisors is an integer number (15188103045).

Almost surely, 2^121502870382 is an apocalyptic number.

121502870382 is an abundant number, since it is smaller than the sum of its proper divisors (121506778338).

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

121502870382 is a wasteful number, since it uses less digits than its factorization.

121502870382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325667.

The product of its (nonzero) digits is 53760, while the sum is 39.

The spelling of 121502870382 in words is "one hundred twenty-one billion, five hundred two million, eight hundred seventy thousand, three hundred eighty-two".