20122121012000 has 96 divisors (see below), whose sum is σ = 56502915880320. Its totient is φ = 6899012908800.

The previous prime is 20122121011991. The next prime is 20122121012069. The reversal of 20122121012000 is 21012122102.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 359295590 + ... + 359351589.

It is an arithmetic number, because the mean of its divisors is an integer number (588572040420).

Almost surely, 2^{20122121012000} is an apocalyptic number.

20122121012000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122121012000 is an abundant number, since it is smaller than the sum of its proper divisors (36380794868320).

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

20122121012000 is an equidigital number, since it uses as much as digits as its factorization.

20122121012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718647211 (or 718647193 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20122121012000 its reverse (21012122102), we get a palindrome (20143133134102).

The spelling of 20122121012000 in words is "twenty trillion, one hundred twenty-two billion, one hundred twenty-one million, twelve thousand".