122021012211210 has 96 divisors (see below), whose sum is σ = 362633680161792. Its totient is φ = 27886135680000.

The previous prime is 122021012211181. The next prime is 122021012211221. The reversal of 122021012211210 is 12112210120221.

122021012211210 is a `hidden beast` number, since 1 + 2 + 20 + 210 + 1 + 221 + 1 + 210 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11198791 + ... + 19221210.

It is an arithmetic number, because the mean of its divisors is an integer number (3777434168352).

Almost surely, 2^{122021012211210} is an apocalyptic number.

122021012211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122021012211210 is an abundant number, since it is smaller than the sum of its proper divisors (240612667950582).

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

122021012211210 is a wasteful number, since it uses less digits than its factorization.

122021012211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30426388 (or 30426385 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 122021012211210 its reverse (12112210120221), we get a palindrome (134133222331431).

The spelling of 122021012211210 in words is "one hundred twenty-two trillion, twenty-one billion, twelve million, two hundred eleven thousand, two hundred ten".