122122000021212 has 72 divisors (see below), whose sum is σ = 309158650329984. Its totient is φ = 40646509298976.

The previous prime is 122122000021171. The next prime is 122122000021283. The reversal of 122122000021212 is 212120000221221.

It is a happy number.

122122000021212 is a `hidden beast` number, since 1 + 221 + 220 + 0 + 0 + 0 + 212 + 12 = 666.

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

It is a congruent number.

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, 181631083 + ... + 182302205.

It is an arithmetic number, because the mean of its divisors is an integer number (4293870143472).

Almost surely, 2^{122122000021212} is an apocalyptic number.

122122000021212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122122000021212 is an abundant number, since it is smaller than the sum of its proper divisors (187036650308772).

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

122122000021212 is a wasteful number, since it uses less digits than its factorization.

122122000021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678679 (or 678674 counting only the distinct ones).

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

Adding to 122122000021212 its reverse (212120000221221), we get a palindrome (334242000242433).

The spelling of 122122000021212 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, twenty-one thousand, two hundred twelve".