12220151233401 has 6 divisors (see below), whose sum is σ = 17651329559370. Its totient is φ = 8146767488928.

The previous prime is 12220151233363. The next prime is 12220151233463. The reversal of 12220151233401 is 10433215102221.

It is a happy number.

12220151233401 is a `hidden beast` number, since 1 + 2 + 2 + 20 + 1 + 5 + 1 + 233 + 401 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11294035635600 + 926115597801 = 3360660^2 + 962349^2 .

It is not a de Polignac number, because 12220151233401 - 2⁷ = 12220151233273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12220151233501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 678897290736 + ... + 678897290753.

It is an arithmetic number, because the mean of its divisors is an integer number (2941888259895).

Almost surely, 2^{12220151233401} is an apocalyptic number.

It is an amenable number.

12220151233401 is a deficient number, since it is larger than the sum of its proper divisors (5431178325969).

12220151233401 is a wasteful number, since it uses less digits than its factorization.

12220151233401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357794581495 (or 1357794581492 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 12220151233401 its reverse (10433215102221), we get a palindrome (22653366335622).

The spelling of 12220151233401 in words is "twelve trillion, two hundred twenty billion, one hundred fifty-one million, two hundred thirty-three thousand, four hundred one".