121029652000 has 48 divisors (see below), whose sum is σ = 297369864792. Its totient is φ = 48411859200.

The previous prime is 121029651991. The next prime is 121029652021. The reversal of 121029652000 is 256920121.

It can be written as a sum of positive squares in 4 ways, for example, as 61788039184 + 59241612816 = 248572^2 + 243396^2 .

It is a super-2 number, since 2×121029652000² (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 121029652000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15124707 + ... + 15132706.

Almost surely, 2^121029652000 is an apocalyptic number.

121029652000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121029652000 is an abundant number, since it is smaller than the sum of its proper divisors (176340212792).

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

121029652000 is an equidigital number, since it uses as much as digits as its factorization.

121029652000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30257438 (or 30257420 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 121029652000 in words is "one hundred twenty-one billion, twenty-nine million, six hundred fifty-two thousand".