122312012213 has 8 divisors (see below), whose sum is σ = 129359677920. Its totient is φ = 115325365680.

The previous prime is 122312012171. The next prime is 122312012237. The reversal of 122312012213 is 312210213221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122312012213 - 2²² = 122307817909 is a prime.

It is a super-2 number, since 2×122312012213² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122312012293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15250670 + ... + 15258687.

It is an arithmetic number, because the mean of its divisors is an integer number (16169959740).

Almost surely, 2^122312012213 is an apocalyptic number.

It is an amenable number.

122312012213 is a deficient number, since it is larger than the sum of its proper divisors (7047665707).

122312012213 is a wasteful number, since it uses less digits than its factorization.

122312012213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30509587.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 122312012213 its reverse (312210213221), we get a palindrome (434522225434).

The spelling of 122312012213 in words is "one hundred twenty-two billion, three hundred twelve million, twelve thousand, two hundred thirteen".