1001223310312 has 8 divisors (see below), whose sum is σ = 1877293706850. Its totient is φ = 500611655152.

The previous prime is 1001223310303. The next prime is 1001223310327. The reversal of 1001223310312 is 2130133221001.

It can be written as a sum of positive squares in only one way, i.e., 550276141636 + 450947168676 = 741806^2 + 671526^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1001223310312² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1001223310312.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62576456887 + ... + 62576456902.

Almost surely, 2^{1001223310312} is an apocalyptic number.

It is an amenable number.

1001223310312 is a deficient number, since it is larger than the sum of its proper divisors (876070396538).

1001223310312 is a wasteful number, since it uses less digits than its factorization.

1001223310312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125152913795 (or 125152913791 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1001223310312 its reverse (2130133221001), we get a palindrome (3131356531313).

The spelling of 1001223310312 in words is "one trillion, one billion, two hundred twenty-three million, three hundred ten thousand, three hundred twelve".