121012020022000 has 80 divisors (see below), whose sum is σ = 292616201266272. Its totient is φ = 48403296537600.

The previous prime is 121012020021917. The next prime is 121012020022021. The reversal of 121012020022000 is 220020210121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64245624 + ... + 66102376.

Almost surely, 2^{121012020022000} is an apocalyptic number.

121012020022000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121012020022000 is an abundant number, since it is smaller than the sum of its proper divisors (171604181244272).

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

121012020022000 is a wasteful number, since it uses less digits than its factorization.

121012020022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889363 (or 1889347 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 121012020022000 its reverse (220020210121), we get a palindrome (121232040232121).

The spelling of 121012020022000 in words is "one hundred twenty-one trillion, twelve billion, twenty million, twenty-two thousand".