122240020212 has 60 divisors (see below), whose sum is σ = 323604684480. Its totient is φ = 40230884304.

The previous prime is 122240020211. The next prime is 122240020237. The reversal of 122240020212 is 212020042221.

122240020212 is a `hidden beast` number, since 1 + 222 + 400 + 20 + 21 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122240020211) 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, 2362278 + ... + 2413469.

It is an arithmetic number, because the mean of its divisors is an integer number (5393411408).

Almost surely, 2^122240020212 is an apocalyptic number.

122240020212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122240020212 is an abundant number, since it is smaller than the sum of its proper divisors (201364664268).

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

122240020212 is a wasteful number, since it uses less digits than its factorization.

122240020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4775842 (or 4775831 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 122240020212 its reverse (212020042221), we get a palindrome (334260062433).

The spelling of 122240020212 in words is "one hundred twenty-two billion, two hundred forty million, twenty thousand, two hundred twelve".