2202120012544 has 36 divisors (see below), whose sum is σ = 4406938033680. Its totient is φ = 1098229468160.

The previous prime is 2202120012517. The next prime is 2202120012551. The reversal of 2202120012544 is 4452100212022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10957012 + ... + 11156179.

It is an arithmetic number, because the mean of its divisors is an integer number (122414945380).

Almost surely, 2^{2202120012544} is an apocalyptic number.

It is an amenable number.

2202120012544 is an abundant number, since it is smaller than the sum of its proper divisors (2204818021136).

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

2202120012544 is an equidigital number, since it uses as much as digits as its factorization.

2202120012544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22113596 (or 22113582 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 2202120012544 its reverse (4452100212022), we get a palindrome (6654220224566).

The spelling of 2202120012544 in words is "two trillion, two hundred two billion, one hundred twenty million, twelve thousand, five hundred forty-four".