122020010000 has 100 divisors (see below), whose sum is σ = 337626075072. Its totient is φ = 41835408000.

The previous prime is 122020009981. The next prime is 122020010009. The reversal of 122020010000 is 10020221.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 122020010000.

It is not an unprimeable number, because it can be changed into a prime (122020010009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 801572 + ... + 941571.

Almost surely, 2^122020010000 is an apocalyptic number.

122020010000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122020010000 is an abundant number, since it is smaller than the sum of its proper divisors (215606065072).

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

122020010000 is an equidigital number, since it uses as much as digits as its factorization.

122020010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743178 (or 1743157 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 122020010000 its reverse (10020221), we get a palindrome (122030030221).

The spelling of 122020010000 in words is "one hundred twenty-two billion, twenty million, ten thousand".