202212120100122 has 60 divisors (see below), whose sum is σ = 498040962517098. Its totient is φ = 61276400024400.

The previous prime is 202212120100079. The next prime is 202212120100157. The reversal of 202212120100122 is 221001021212202.

It is a happy number.

202212120100122 is a `hidden beast` number, since 202 + 212 + 120 + 10 + 0 + 122 = 666.

It can be written as a sum of positive squares in only one way, i.e., 172045431658881 + 30166688441241 = 13116609^2 + 5492421^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 202212120100095 and 202212120100104.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 5157926529 + ... + 5157965732.

Almost surely, 2^{202212120100122} is an apocalyptic number.

202212120100122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202212120100122 is an abundant number, since it is smaller than the sum of its proper divisors (295828842416976).

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

202212120100122 is a wasteful number, since it uses less digits than its factorization.

202212120100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10315892297 (or 10315892277 counting only the distinct ones).

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

Adding to 202212120100122 its reverse (221001021212202), we get a palindrome (423213141312324).

The spelling of 202212120100122 in words is "two hundred two trillion, two hundred twelve billion, one hundred twenty million, one hundred thousand, one hundred twenty-two".