398100121112 has 16 divisors (see below), whose sum is σ = 746516023200. Its totient is φ = 199029181600.

The previous prime is 398100121051. The next prime is 398100121201. The reversal of 398100121112 is 211121001893.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2528687 + ... + 2681502.

It is an arithmetic number, because the mean of its divisors is an integer number (46657251450).

Almost surely, 2^398100121112 is an apocalyptic number.

It is an amenable number.

398100121112 is a deficient number, since it is larger than the sum of its proper divisors (348415902088).

398100121112 is a wasteful number, since it uses less digits than its factorization.

398100121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5219746 (or 5219742 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 29.

The spelling of 398100121112 in words is "three hundred ninety-eight billion, one hundred million, one hundred twenty-one thousand, one hundred twelve".