12135555302 has 16 divisors (see below), whose sum is σ = 19935856080. Its totient is φ = 5506092192.

The previous prime is 12135555283. The next prime is 12135555307. The reversal of 12135555302 is 20355553121.

It is a super-2 number, since 2×12135555302² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12135555307) 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, 3953993 + ... + 3957060.

It is an arithmetic number, because the mean of its divisors is an integer number (1245991005).

Almost surely, 2^12135555302 is an apocalyptic number.

12135555302 is a deficient number, since it is larger than the sum of its proper divisors (7800300778).

12135555302 is a wasteful number, since it uses less digits than its factorization.

12135555302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7911127.

The product of its (nonzero) digits is 22500, while the sum is 32.

The spelling of 12135555302 in words is "twelve billion, one hundred thirty-five million, five hundred fifty-five thousand, three hundred two".