399112101012001 has 8 divisors (see below), whose sum is σ = 429816609387200. Its totient is φ = 368408103712272.

The previous prime is 399112101011999. The next prime is 399112101012013. The reversal of 399112101012001 is 100210101211993.

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

It is not a de Polignac number, because 399112101012001 - 2¹ = 399112101011999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (399112101019001) 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, 126146175 + ... + 129271348.

It is an arithmetic number, because the mean of its divisors is an integer number (53727076173400).

Almost surely, 2^{399112101012001} is an apocalyptic number.

It is an amenable number.

399112101012001 is a deficient number, since it is larger than the sum of its proper divisors (30704508375199).

399112101012001 is a wasteful number, since it uses less digits than its factorization.

399112101012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255537735.

The product of its (nonzero) digits is 972, while the sum is 31.

Adding to 399112101012001 its reverse (100210101211993), we get a palindrome (499322202223994).

The spelling of 399112101012001 in words is "three hundred ninety-nine trillion, one hundred twelve billion, one hundred one million, twelve thousand, one".