12155002 has 8 divisors (see below), whose sum is σ = 18861300. Its totient is φ = 5867904.

The previous prime is 12154993. The next prime is 12155021. The reversal of 12155002 is 20055121.

It can be written as a sum of positive squares in 2 ways, for example, as 10764961 + 1390041 = 3281^2 + 1179^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104727 + ... + 104842.

Almost surely, 2^12155002 is an apocalyptic number.

12155002 is a deficient number, since it is larger than the sum of its proper divisors (6706298).

12155002 is a wasteful number, since it uses less digits than its factorization.

12155002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209600.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 12155002 is about 3486.4024437807. The cubic root of 12155002 is about 229.9243733715.

The spelling of 12155002 in words is "twelve million, one hundred fifty-five thousand, two".