122100072212 has 24 divisors (see below), whose sum is σ = 214799394432. Its totient is φ = 60729523200.

The previous prime is 122100072169. The next prime is 122100072223. The reversal of 122100072212 is 212270001221.

It is a super-2 number, since 2×122100072212² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606983 + ... + 782705.

It is an arithmetic number, because the mean of its divisors is an integer number (8949974768).

Almost surely, 2^122100072212 is an apocalyptic number.

It is an amenable number.

122100072212 is a deficient number, since it is larger than the sum of its proper divisors (92699322220).

122100072212 is a wasteful number, since it uses less digits than its factorization.

122100072212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176639 (or 176637 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 122100072212 its reverse (212270001221), we get a palindrome (334370073433).

The spelling of 122100072212 in words is "one hundred twenty-two billion, one hundred million, seventy-two thousand, two hundred twelve".