12123551001 has 8 divisors (see below), whose sum is σ = 16282725984. Its totient is φ = 8023371680.

The previous prime is 12123550987. The next prime is 12123551023. The reversal of 12123551001 is 10015532121.

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 12123551001 - 2⁹ = 12123550489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12123551101) 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, 14748435 + ... + 14749256.

It is an arithmetic number, because the mean of its divisors is an integer number (2035340748).

Almost surely, 2^12123551001 is an apocalyptic number.

It is an amenable number.

12123551001 is a deficient number, since it is larger than the sum of its proper divisors (4159174983).

12123551001 is a wasteful number, since it uses less digits than its factorization.

12123551001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29497831.

The product of its (nonzero) digits is 300, while the sum is 21.

The spelling of 12123551001 in words is "twelve billion, one hundred twenty-three million, five hundred fifty-one thousand, one".