12220026365652 has 48 divisors (see below), whose sum is σ = 33637922045952. Its totient is φ = 3378809132640.

The previous prime is 12220026365633. The next prime is 12220026365693. The reversal of 12220026365652 is 25656362002221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2346392628 + ... + 2346397835.

It is an arithmetic number, because the mean of its divisors is an integer number (700790042624).

Almost surely, 2^{12220026365652} is an apocalyptic number.

12220026365652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12220026365652 is an abundant number, since it is smaller than the sum of its proper divisors (21417895680300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12220026365652 is a wasteful number, since it uses less digits than its factorization.

12220026365652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4692790508 (or 4692790506 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

Adding to 12220026365652 its reverse (25656362002221), we get a palindrome (37876388367873).

The spelling of 12220026365652 in words is "twelve trillion, two hundred twenty billion, twenty-six million, three hundred sixty-five thousand, six hundred fifty-two".