122021221000212 has 36 divisors (see below), whose sum is σ = 308450633545600. Its totient is φ = 40672671847632.

The previous prime is 122021221000169. The next prime is 122021221000291. The reversal of 122021221000212 is 212000122120221.

It is a happy number.

122021221000212 is a `hidden beast` number, since 1 + 220 + 21 + 2 + 210 + 0 + 0 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 43130212 + ... + 45872187.

Almost surely, 2^{122021221000212} is an apocalyptic number.

122021221000212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122021221000212 is an abundant number, since it is smaller than the sum of its proper divisors (186429412545388).

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

122021221000212 is a wasteful number, since it uses less digits than its factorization.

122021221000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89040492 (or 89040487 counting only the distinct ones).

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

Adding to 122021221000212 its reverse (212000122120221), we get a palindrome (334021343120433).

The spelling of 122021221000212 in words is "one hundred twenty-two trillion, twenty-one billion, two hundred twenty-one million, two hundred twelve", and thus it is an aban number.