1012131230199 has 4 divisors (see below), whose sum is σ = 1349508306936. Its totient is φ = 674754153464.

The previous prime is 1012131230171. The next prime is 1012131230261. The reversal of 1012131230199 is 9910321312101.

It is a happy number.

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 1012131230199 - 2¹¹ = 1012131228151 is a prime.

It is a super-2 number, since 2×1012131230199² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012131430199) 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, 168688538364 + ... + 168688538369.

It is an arithmetic number, because the mean of its divisors is an integer number (337377076734).

Almost surely, 2^{1012131230199} is an apocalyptic number.

1012131230199 is a deficient number, since it is larger than the sum of its proper divisors (337377076737).

1012131230199 is an equidigital number, since it uses as much as digits as its factorization.

1012131230199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337377076736.

The product of its (nonzero) digits is 2916, while the sum is 33.

The spelling of 1012131230199 in words is "one trillion, twelve billion, one hundred thirty-one million, two hundred thirty thousand, one hundred ninety-nine".