1210100030312 has 16 divisors (see below), whose sum is σ = 2300018894340. Its totient is φ = 596761658496.

The previous prime is 1210100030309. The next prime is 1210100030317. The reversal of 1210100030312 is 2130300010121.

It can be written as a sum of positive squares in 2 ways, for example, as 1177889113636 + 32210916676 = 1085306^2 + 179474^2 .

It is a super-2 number, since 2×1210100030312² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1210100030317) 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, 1036043963 + ... + 1036045130.

Almost surely, 2^{1210100030312} is an apocalyptic number.

It is an amenable number.

1210100030312 is a deficient number, since it is larger than the sum of its proper divisors (1089918864028).

1210100030312 is a wasteful number, since it uses less digits than its factorization.

1210100030312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072089172 (or 2072089168 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1210100030312 its reverse (2130300010121), we get a palindrome (3340400040433).

The spelling of 1210100030312 in words is "one trillion, two hundred ten billion, one hundred million, thirty thousand, three hundred twelve".