2312312220112 has 10 divisors (see below), whose sum is σ = 4480104926498. Its totient is φ = 1156156110048.

The previous prime is 2312312220083. The next prime is 2312312220131. The reversal of 2312312220112 is 2110222132132.

It can be written as a sum of positive squares in only one way, i.e., 2112732018576 + 199580201536 = 1453524^2 + 446744^2 .

It is a super-3 number, since 3×2312312220112³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72259756863 + ... + 72259756894.

Almost surely, 2^{2312312220112} is an apocalyptic number.

It is an amenable number.

2312312220112 is a deficient number, since it is larger than the sum of its proper divisors (2167792706386).

2312312220112 is a wasteful number, since it uses less digits than its factorization.

2312312220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144519513765 (or 144519513759 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2312312220112 its reverse (2110222132132), we get a palindrome (4422534352244).

The spelling of 2312312220112 in words is "two trillion, three hundred twelve billion, three hundred twelve million, two hundred twenty thousand, one hundred twelve".