1012147199 has 8 divisors (see below), whose sum is σ = 1157142048. Its totient is φ = 867252960.

The previous prime is 1012147193. The next prime is 1012147211. The reversal of 1012147199 is 9917412101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1012147199 - 2¹⁶ = 1012081663 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 (1012147193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2192 + ... + 45045.

It is an arithmetic number, because the mean of its divisors is an integer number (144642756).

Almost surely, 2^1012147199 is an apocalyptic number.

1012147199 is a deficient number, since it is larger than the sum of its proper divisors (144994849).

1012147199 is an equidigital number, since it uses as much as digits as its factorization.

1012147199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50305.

The product of its (nonzero) digits is 4536, while the sum is 35.

The square root of 1012147199 is about 31814.2609375104. The cubic root of 1012147199 is about 1004.0327811474.

The spelling of 1012147199 in words is "one billion, twelve million, one hundred forty-seven thousand, one hundred ninety-nine".