122021000010012 has 12 divisors (see below), whose sum is σ = 284715666690056. Its totient is φ = 40673666670000.

The previous prime is 122021000009981. The next prime is 122021000010043. The reversal of 122021000010012 is 210010000120221.

It is an interprime number because it is at equal distance from previous prime (122021000009981) and next prime (122021000010043).

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 10168416667501 = 122021000010012 / (1 + 2 + 2 + 0 + 2 + 1 + 0 + 0 + 0 + 0 + 1 + 0 + 0 + 1 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 122021000010012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5084208333739 + ... + 5084208333762.

Almost surely, 2^{122021000010012} is an apocalyptic number.

122021000010012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122021000010012 is an abundant number, since it is smaller than the sum of its proper divisors (162694666680044).

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

122021000010012 is a wasteful number, since it uses less digits than its factorization.

122021000010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10168416667508 (or 10168416667506 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 122021000010012 its reverse (210010000120221), we get a palindrome (332031000130233).

The spelling of 122021000010012 in words is "one hundred twenty-two trillion, twenty-one billion, ten thousand, twelve".