122421000012213 has 64 divisors (see below), whose sum is σ = 196022391275520. Its totient is φ = 66491349163200.

The previous prime is 122421000012119. The next prime is 122421000012257. The reversal of 122421000012213 is 312210000124221.

It is a happy number.

It is not a de Polignac number, because 122421000012213 - 2²⁵ = 122420966457781 is a prime.

It is a super-2 number, since 2×122421000012213² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 122421000012213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122421000012013) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3591556 + ... + 16054322.

It is an arithmetic number, because the mean of its divisors is an integer number (3062849863680).

Almost surely, 2^{122421000012213} is an apocalyptic number.

It is an amenable number.

122421000012213 is a deficient number, since it is larger than the sum of its proper divisors (73601391263307).

122421000012213 is a wasteful number, since it uses less digits than its factorization.

122421000012213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12463078.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 122421000012213 its reverse (312210000124221), we get a palindrome (434631000136434).

The spelling of 122421000012213 in words is "one hundred twenty-two trillion, four hundred twenty-one billion, twelve thousand, two hundred thirteen".