12135157070 has 32 divisors (see below), whose sum is σ = 22145861376. Its totient is φ = 4787200000.

The previous prime is 12135157019. The next prime is 12135157079. The reversal of 12135157070 is 7075153121.

It is a super-2 number, since 2×12135157070² (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 (12135157079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236195 + ... + 282945.

It is an arithmetic number, because the mean of its divisors is an integer number (692058168).

Almost surely, 2^12135157070 is an apocalyptic number.

12135157070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12135157070 is a deficient number, since it is larger than the sum of its proper divisors (10010704306).

12135157070 is a wasteful number, since it uses less digits than its factorization.

12135157070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47116.

The product of its (nonzero) digits is 7350, while the sum is 32.

The spelling of 12135157070 in words is "twelve billion, one hundred thirty-five million, one hundred fifty-seven thousand, seventy".