2210312231312 has 40 divisors (see below), whose sum is σ = 4342028410104. Its totient is φ = 1089794939904.

The previous prime is 2210312231311. The next prime is 2210312231353. The reversal of 2210312231312 is 2131322130122.

It can be written as a sum of positive squares in 4 ways, for example, as 425672734096 + 1784639497216 = 652436^2 + 1335904^2 .

It is not an unprimeable number, because it can be changed into a prime (2210312231311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5618198 + ... + 5998730.

Almost surely, 2^{2210312231312} is an apocalyptic number.

It is an amenable number.

2210312231312 is a deficient number, since it is larger than the sum of its proper divisors (2131716178792).

2210312231312 is a wasteful number, since it uses less digits than its factorization.

2210312231312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385587 (or 385581 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2210312231312 its reverse (2131322130122), we get a palindrome (4341634361434).

The spelling of 2210312231312 in words is "two trillion, two hundred ten billion, three hundred twelve million, two hundred thirty-one thousand, three hundred twelve".