1198806712142 has 16 divisors (see below), whose sum is σ = 1936710382320. Its totient is φ = 553244987712.

The previous prime is 1198806712127. The next prime is 1198806712151. The reversal of 1198806712142 is 2412176088911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1809167 + ... + 2381322.

It is an arithmetic number, because the mean of its divisors is an integer number (121044398895).

Almost surely, 2^{1198806712142} is an apocalyptic number.

1198806712142 is a deficient number, since it is larger than the sum of its proper divisors (737903670178).

1198806712142 is a wasteful number, since it uses less digits than its factorization.

1198806712142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4201507.

The product of its (nonzero) digits is 387072, while the sum is 50.

The spelling of 1198806712142 in words is "one trillion, one hundred ninety-eight billion, eight hundred six million, seven hundred twelve thousand, one hundred forty-two".