1399338424012 has 12 divisors (see below), whose sum is σ = 2555313644016. Its totient is φ = 669248811440.

The previous prime is 1399338423859. The next prime is 1399338424019. The reversal of 1399338424012 is 2104248339931.

It is a super-2 number, since 2×1399338424012² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1399338424019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7605100039 + ... + 7605100222.

It is an arithmetic number, because the mean of its divisors is an integer number (212942803668).

Almost surely, 2^{1399338424012} is an apocalyptic number.

It is an amenable number.

1399338424012 is a deficient number, since it is larger than the sum of its proper divisors (1155975220004).

1399338424012 is a wasteful number, since it uses less digits than its factorization.

1399338424012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15210200288 (or 15210200286 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 49.

The spelling of 1399338424012 in words is "one trillion, three hundred ninety-nine billion, three hundred thirty-eight million, four hundred twenty-four thousand, twelve".