122020120022010 has 128 divisors (see below), whose sum is σ = 337337751306240. Its totient is φ = 27669171366144.

The previous prime is 122020120021993. The next prime is 122020120022029. The reversal of 122020120022010 is 10220021020221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 521521572 + ... + 521755488.

It is an arithmetic number, because the mean of its divisors is an integer number (2635451182080).

Almost surely, 2^{122020120022010} is an apocalyptic number.

122020120022010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 122020120022010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168668875653120).

122020120022010 is an abundant number, since it is smaller than the sum of its proper divisors (215317631284230).

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

122020120022010 is a wasteful number, since it uses less digits than its factorization.

122020120022010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253620.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122020120022010 its reverse (10220021020221), we get a palindrome (132240141042231).

The spelling of 122020120022010 in words is "one hundred twenty-two trillion, twenty billion, one hundred twenty million, twenty-two thousand, ten".