12253445616620 has 24 divisors (see below), whose sum is σ = 27711638548944. Its totient is φ = 4524349150656.

The previous prime is 12253445616611. The next prime is 12253445616623. The reversal of 12253445616620 is 2661654435221.

It is a super-4 number, since 4×12253445616620⁴ (a number of 53 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (12253445616623) 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, 23564318234 + ... + 23564318753.

It is an arithmetic number, because the mean of its divisors is an integer number (1154651606206).

Almost surely, 2^{12253445616620} is an apocalyptic number.

12253445616620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12253445616620 is an abundant number, since it is smaller than the sum of its proper divisors (15458192932324).

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

12253445616620 is a wasteful number, since it uses less digits than its factorization.

12253445616620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47128637009 (or 47128637007 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 12253445616620 in words is "twelve trillion, two hundred fifty-three billion, four hundred forty-five million, six hundred sixteen thousand, six hundred twenty".