12138471310 has 32 divisors (see below), whose sum is σ = 25014536640. Its totient is φ = 4154433792.

The previous prime is 12138471307. The next prime is 12138471431. The reversal of 12138471310 is 1317483121.

It is a super-2 number, since 2×12138471310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112549 + ... + 192208.

It is an arithmetic number, because the mean of its divisors is an integer number (781704270).

Almost surely, 2^12138471310 is an apocalyptic number.

12138471310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12138471310 is an abundant number, since it is smaller than the sum of its proper divisors (12876065330).

12138471310 is a wasteful number, since it uses less digits than its factorization.

12138471310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305340.

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 12138471310 in words is "twelve billion, one hundred thirty-eight million, four hundred seventy-one thousand, three hundred ten".