12699000030 has 64 divisors (see below), whose sum is σ = 31182547968. Its totient is φ = 3308334720.

The previous prime is 12699000023. The next prime is 12699000059. The reversal of 12699000030 is 3000099621.

It is a super-2 number, since 2×12699000030² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 797224 + ... + 812996.

It is an arithmetic number, because the mean of its divisors is an integer number (487227312).

Almost surely, 2^12699000030 is an apocalyptic number.

12699000030 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 12699000030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15591273984).

12699000030 is an abundant number, since it is smaller than the sum of its proper divisors (18483547938).

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

12699000030 is a wasteful number, since it uses less digits than its factorization.

12699000030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16401.

The product of its (nonzero) digits is 2916, while the sum is 30.

Adding to 12699000030 its reverse (3000099621), we get a palindrome (15699099651).

The spelling of 12699000030 in words is "twelve billion, six hundred ninety-nine million, thirty", and thus it is an aban number.