1200812812699 has 4 divisors (see below), whose sum is σ = 1209577869864. Its totient is φ = 1192047755536.

The previous prime is 1200812812687. The next prime is 1200812812709. The reversal of 1200812812699 is 9962182180021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1200812812699 - 2⁹ = 1200812812187 is a prime.

It is a super-2 number, since 2×1200812812699² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200812812679) 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, 4382528377 + ... + 4382528650.

It is an arithmetic number, because the mean of its divisors is an integer number (302394467466).

Almost surely, 2^{1200812812699} is an apocalyptic number.

1200812812699 is a deficient number, since it is larger than the sum of its proper divisors (8765057165).

1200812812699 is an equidigital number, since it uses as much as digits as its factorization.

1200812812699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8765057164.

The product of its (nonzero) digits is 248832, while the sum is 49.

The spelling of 1200812812699 in words is "one trillion, two hundred billion, eight hundred twelve million, eight hundred twelve thousand, six hundred ninety-nine".