2531222053112 has 32 divisors (see below), whose sum is σ = 4961545310880. Its totient is φ = 1208346733440.

The previous prime is 2531222053097. The next prime is 2531222053121. The reversal of 2531222053112 is 2113502221352.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12614543 + ... + 12813630.

It is an arithmetic number, because the mean of its divisors is an integer number (155048290965).

Almost surely, 2^{2531222053112} is an apocalyptic number.

It is an amenable number.

2531222053112 is a deficient number, since it is larger than the sum of its proper divisors (2430323257768).

2531222053112 is a wasteful number, since it uses less digits than its factorization.

2531222053112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25428743 (or 25428739 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 2531222053112 its reverse (2113502221352), we get a palindrome (4644724274464).

The spelling of 2531222053112 in words is "two trillion, five hundred thirty-one billion, two hundred twenty-two million, fifty-three thousand, one hundred twelve".