12699589470 has 64 divisors (see below), whose sum is σ = 31207714560. Its totient is φ = 3305691648.

The previous prime is 12699589429. The next prime is 12699589471. The reversal of 12699589470 is 7498599621.

It is a super-2 number, since 2×12699589470² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12699589471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3983217 + ... + 3986403.

It is an arithmetic number, because the mean of its divisors is an integer number (487620540).

Almost surely, 2^12699589470 is an apocalyptic number.

12699589470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12699589470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15603857280).

12699589470 is an abundant number, since it is smaller than the sum of its proper divisors (18508125090).

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

12699589470 is a wasteful number, since it uses less digits than its factorization.

12699589470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6329.

The product of its (nonzero) digits is 9797760, while the sum is 60.

The spelling of 12699589470 in words is "twelve billion, six hundred ninety-nine million, five hundred eighty-nine thousand, four hundred seventy".