122012100022212 has 72 divisors (see below), whose sum is σ = 309793030328600. Its totient is φ = 40489602513408.

The previous prime is 122012100022181. The next prime is 122012100022237. The reversal of 122012100022212 is 212220001210221.

It is a happy number.

122012100022212 is a `hidden beast` number, since 1 + 220 + 1 + 210 + 0 + 0 + 22 + 212 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 79276514757696 + 42735585264516 = 8903736^2 + 6537246^2 .

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 23 ways as a sum of consecutive naturals, for example, 95731038 + ... + 96997194.

Almost surely, 2^{122012100022212} is an apocalyptic number.

122012100022212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122012100022212 is an abundant number, since it is smaller than the sum of its proper divisors (187780930306388).

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

122012100022212 is a wasteful number, since it uses less digits than its factorization.

122012100022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278085 (or 1278080 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 122012100022212 its reverse (212220001210221), we get a palindrome (334232101232433).

The spelling of 122012100022212 in words is "one hundred twenty-two trillion, twelve billion, one hundred million, twenty-two thousand, two hundred twelve".