12661293833 has 8 divisors (see below), whose sum is σ = 12704418240. Its totient is φ = 12618199440.

The previous prime is 12661293793. The next prime is 12661293839. The reversal of 12661293833 is 33839216621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12661293833 - 2⁶ = 12661293769 is a prime.

It is a super-3 number, since 3×12661293833³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12661293839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1116116 + ... + 1127402.

It is an arithmetic number, because the mean of its divisors is an integer number (1588052280).

Almost surely, 2^12661293833 is an apocalyptic number.

It is an amenable number.

12661293833 is a deficient number, since it is larger than the sum of its proper divisors (43124407).

12661293833 is a wasteful number, since it uses less digits than its factorization.

12661293833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15007.

The product of its digits is 279936, while the sum is 44.

The spelling of 12661293833 in words is "twelve billion, six hundred sixty-one million, two hundred ninety-three thousand, eight hundred thirty-three".