12898073712 has 20 divisors (see below), whose sum is σ = 33320023880. Its totient is φ = 4299357888.

The previous prime is 12898073707. The next prime is 12898073717. The reversal of 12898073712 is 21737089821.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12898073707) and next prime (12898073717).

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 268709869 = 12898073712 / (1 + 2 + 8 + 9 + 8 + 0 + 7 + 3 + 7 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12898073717) 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, 134354887 + ... + 134354982.

It is an arithmetic number, because the mean of its divisors is an integer number (1666001194).

Almost surely, 2^12898073712 is an apocalyptic number.

12898073712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12898073712 is an abundant number, since it is smaller than the sum of its proper divisors (20421950168).

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

12898073712 is a wasteful number, since it uses less digits than its factorization.

12898073712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268709880 (or 268709874 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 48.

The spelling of 12898073712 in words is "twelve billion, eight hundred ninety-eight million, seventy-three thousand, seven hundred twelve".