1012011199 has 4 divisors (see below), whose sum is σ = 1012882536. Its totient is φ = 1011139864.

The previous prime is 1012011197. The next prime is 1012011223. The reversal of 1012011199 is 9911102101.

1012011199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1012011199 - 2¹ = 1012011197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012011197) 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, 433924 + ... + 436249.

It is an arithmetic number, because the mean of its divisors is an integer number (253220634).

Almost surely, 2^1012011199 is an apocalyptic number.

1012011199 is a deficient number, since it is larger than the sum of its proper divisors (871337).

1012011199 is an equidigital number, since it uses as much as digits as its factorization.

1012011199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871336.

The product of its (nonzero) digits is 162, while the sum is 25.

The square root of 1012011199 is about 31812.1234594612. The cubic root of 1012011199 is about 1003.9878092386.

It can be divided in two parts, 101201 and 1199, that added together give a square (102400 = 320²).

The spelling of 1012011199 in words is "one billion, twelve million, eleven thousand, one hundred ninety-nine".