122002012213 has 4 divisors (see below), whose sum is σ = 122002749088. Its totient is φ = 122001275340.

The previous prime is 122002012189. The next prime is 122002012219. The reversal of 122002012213 is 312210200221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 312210200221 = 2441 ⋅127902581.

It is a cyclic number.

It is not a de Polignac number, because 122002012213 - 2³³ = 113412077621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122002012219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8368 + ... + 494038.

It is an arithmetic number, because the mean of its divisors is an integer number (30500687272).

Almost surely, 2^122002012213 is an apocalyptic number.

It is an amenable number.

122002012213 is a deficient number, since it is larger than the sum of its proper divisors (736875).

122002012213 is an equidigital number, since it uses as much as digits as its factorization.

122002012213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736874.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 122002012213 its reverse (312210200221), we get a palindrome (434212212434).

The spelling of 122002012213 in words is "one hundred twenty-two billion, two million, twelve thousand, two hundred thirteen".