1310001223012 has 6 divisors (see below), whose sum is σ = 2292502140278. Its totient is φ = 655000611504.

The previous prime is 1310001222979. The next prime is 1310001223019. The reversal of 1310001223012 is 2103221000131.

It can be written as a sum of positive squares in only one way, i.e., 1215515070016 + 94486152996 = 1102504^2 + 307386^2 .

It is a super-2 number, since 2×1310001223012² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1310001223019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163750152873 + ... + 163750152880.

Almost surely, 2^{1310001223012} is an apocalyptic number.

It is an amenable number.

1310001223012 is a deficient number, since it is larger than the sum of its proper divisors (982500917266).

1310001223012 is a wasteful number, since it uses less digits than its factorization.

1310001223012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327500305757 (or 327500305755 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1310001223012 its reverse (2103221000131), we get a palindrome (3413222223143).

The spelling of 1310001223012 in words is "one trillion, three hundred ten billion, one million, two hundred twenty-three thousand, twelve".