12117005670 has 96 divisors (see below), whose sum is σ = 36904087296. Its totient is φ = 2517816000.

The previous prime is 12117005669. The next prime is 12117005687. The reversal of 12117005670 is 7650071121.

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 47 ways as a sum of consecutive naturals, for example, 358506 + ... + 390845.

It is an arithmetic number, because the mean of its divisors is an integer number (384417576).

Almost surely, 2^12117005670 is an apocalyptic number.

12117005670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12117005670 is an abundant number, since it is smaller than the sum of its proper divisors (24787081626).

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

12117005670 is a wasteful number, since it uses less digits than its factorization.

12117005670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749386 (or 749379 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 30.

Adding to 12117005670 its reverse (7650071121), we get a palindrome (19767076791).

The spelling of 12117005670 in words is "twelve billion, one hundred seventeen million, five thousand, six hundred seventy".