1300023990612 has 18 divisors (see below), whose sum is σ = 3286171754138. Its totient is φ = 433341330192.

The previous prime is 1300023990611. The next prime is 1300023990613. The reversal of 1300023990612 is 2160993200031.

It is a happy number.

1300023990612 is a `hidden beast` number, since 1 + 3 + 0 + 0 + 0 + 2 + 39 + 9 + 0 + 612 = 666.

It is an interprime number because it is at equal distance from previous prime (1300023990611) and next prime (1300023990613).

It can be written as a sum of positive squares in only one way, i.e., 1278496058436 + 21527932176 = 1130706^2 + 146724^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 36111777517 = 1300023990612 / (1 + 3 + 0 + 0 + 0 + 2 + 3 + 9 + 9 + 0 + 6 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300023990611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18055888723 + ... + 18055888794.

Almost surely, 2^{1300023990612} is an apocalyptic number.

1300023990612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1300023990612 is an abundant number, since it is smaller than the sum of its proper divisors (1986147763526).

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

1300023990612 is a wasteful number, since it uses less digits than its factorization.

1300023990612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36111777527 (or 36111777522 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The spelling of 1300023990612 in words is "one trillion, three hundred billion, twenty-three million, nine hundred ninety thousand, six hundred twelve".