121032210013020 has 144 divisors (see below), whose sum is σ = 370512390017952. Its totient is φ = 31978198425600.

The previous prime is 121032210012991. The next prime is 121032210013037. The reversal of 121032210013020 is 20310012230121.

121032210013020 is a `hidden beast` number, since 1 + 210 + 322 + 1 + 0 + 0 + 130 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121032210012984 and 121032210013002.

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, 55910139 + ... + 58034541.

It is an arithmetic number, because the mean of its divisors is an integer number (2573002708458).

Almost surely, 2^{121032210013020} is an apocalyptic number.

121032210013020 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 121032210013020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185256195008976).

121032210013020 is an abundant number, since it is smaller than the sum of its proper divisors (249480180004932).

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

121032210013020 is a wasteful number, since it uses less digits than its factorization.

121032210013020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127332 (or 2127327 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 121032210013020 its reverse (20310012230121), we get a palindrome (141342222243141).

The spelling of 121032210013020 in words is "one hundred twenty-one trillion, thirty-two billion, two hundred ten million, thirteen thousand, twenty".