1312202143100 has 18 divisors (see below), whose sum is σ = 2847478650744. Its totient is φ = 524880857200.

The previous prime is 1312202143067. The next prime is 1312202143141. The reversal of 1312202143100 is 13412022131.

It is a super-2 number, since 2×1312202143100² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6561010616 + ... + 6561010815.

Almost surely, 2^{1312202143100} is an apocalyptic number.

1312202143100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312202143100 is an abundant number, since it is smaller than the sum of its proper divisors (1535276507644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312202143100 is a wasteful number, since it uses less digits than its factorization.

1312202143100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13122021445 (or 13122021438 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1312202143100 its reverse (13412022131), we get a palindrome (1325614165231).

The spelling of 1312202143100 in words is "one trillion, three hundred twelve billion, two hundred two million, one hundred forty-three thousand, one hundred".