1399888149912 has 256 divisors, whose sum is σ = 4543538918400. Its totient is φ = 396004464000.

The previous prime is 1399888149899. The next prime is 1399888149929. The reversal of 1399888149912 is 2199418889931.

1399888149912 is a `hidden beast` number, since 1 + 39 + 98 + 8 + 8 + 1 + 499 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12313087 + ... + 12426257.

It is an arithmetic number, because the mean of its divisors is an integer number (17748198900).

Almost surely, 2^{1399888149912} is an apocalyptic number.

1399888149912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1399888149912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2271769459200).

1399888149912 is an abundant number, since it is smaller than the sum of its proper divisors (3143650768488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1399888149912 is a wasteful number, since it uses less digits than its factorization.

1399888149912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113306 (or 113284 counting only the distinct ones).

The product of its digits is 80621568, while the sum is 72.

The spelling of 1399888149912 in words is "one trillion, three hundred ninety-nine billion, eight hundred eighty-eight million, one hundred forty-nine thousand, nine hundred twelve".