12220030999973 has 24 divisors (see below), whose sum is σ = 13044465163800. Its totient is φ = 11442629918720.

The previous prime is 12220030999951. The next prime is 12220030999987. The reversal of 12220030999973 is 37999903002221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 627490532449 + 11592540467524 = 792143^2 + 3404782^2 .

It is not a de Polignac number, because 12220030999973 - 2⁸ = 12220030999717 is a prime.

It is a super-2 number, since 2×12220030999973² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220030999573) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12103253 + ... + 13073973.

It is an arithmetic number, because the mean of its divisors is an integer number (543519381825).

Almost surely, 2^{12220030999973} is an apocalyptic number.

It is an amenable number.

12220030999973 is a deficient number, since it is larger than the sum of its proper divisors (824434163827).

12220030999973 is an equidigital number, since it uses as much as digits as its factorization.

12220030999973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971269 (or 971246 counting only the distinct ones).

The product of its (nonzero) digits is 3306744, while the sum is 56.

The spelling of 12220030999973 in words is "twelve trillion, two hundred twenty billion, thirty million, nine hundred ninety-nine thousand, nine hundred seventy-three".