22255125242012 has 96 divisors (see below), whose sum is σ = 45533518692480. Its totient is φ = 9423134023680.

The previous prime is 22255125242003. The next prime is 22255125242017. The reversal of 22255125242012 is 21024252155222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22255125242017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40209689 + ... + 40759407.

It is an arithmetic number, because the mean of its divisors is an integer number (474307486380).

Almost surely, 2^{22255125242012} is an apocalyptic number.

It is an amenable number.

22255125242012 is an abundant number, since it is smaller than the sum of its proper divisors (23278393450468).

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

22255125242012 is a wasteful number, since it uses less digits than its factorization.

22255125242012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550911 (or 550909 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 22255125242012 its reverse (21024252155222), we get a palindrome (43279377397234).

The spelling of 22255125242012 in words is "twenty-two trillion, two hundred fifty-five billion, one hundred twenty-five million, two hundred forty-two thousand, twelve".