12152425021 has 8 divisors (see below), whose sum is σ = 13259009088. Its totient is φ = 11046144000.

The previous prime is 12152425013. The next prime is 12152425037. The reversal of 12152425021 is 12052425121.

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 12152425021 - 2³ = 12152425013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12152425081) 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, 12576 + ... + 156406.

It is an arithmetic number, because the mean of its divisors is an integer number (1657376136).

Almost surely, 2^12152425021 is an apocalyptic number.

12152425021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12152425021 is a deficient number, since it is larger than the sum of its proper divisors (1106584067).

12152425021 is a wasteful number, since it uses less digits than its factorization.

12152425021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151523.

The product of its (nonzero) digits is 1600, while the sum is 25.

The spelling of 12152425021 in words is "twelve billion, one hundred fifty-two million, four hundred twenty-five thousand, twenty-one".