2252012221012 has 12 divisors (see below), whose sum is σ = 4076918676180. Its totient is φ = 1087178313536.

The previous prime is 2252012221007. The next prime is 2252012221013. The reversal of 2252012221012 is 2101222102522.

It can be written as a sum of positive squares in 2 ways, for example, as 1600240180036 + 651772040976 = 1265006^2 + 807324^2 .

It is a super-2 number, since 2×2252012221012² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2252012221013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9706949113 + ... + 9706949344.

It is an arithmetic number, because the mean of its divisors is an integer number (339743223015).

Almost surely, 2^{2252012221012} is an apocalyptic number.

It is an amenable number.

2252012221012 is a deficient number, since it is larger than the sum of its proper divisors (1824906455168).

2252012221012 is a wasteful number, since it uses less digits than its factorization.

2252012221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19413898490 (or 19413898488 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 2252012221012 its reverse (2101222102522), we get a palindrome (4353234323534).

The spelling of 2252012221012 in words is "two trillion, two hundred fifty-two billion, twelve million, two hundred twenty-one thousand, twelve".