12945107090 has 16 divisors (see below), whose sum is σ = 23305102488. Its totient is φ = 5177174016.

The previous prime is 12945107047. The next prime is 12945107101. The reversal of 12945107090 is 9070154921.

It can be written as a sum of positive squares in 4 ways, for example, as 12693852889 + 251254201 = 112667^2 + 15851^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44207 + ... + 166866.

Almost surely, 2^12945107090 is an apocalyptic number.

12945107090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12945107090 is a deficient number, since it is larger than the sum of its proper divisors (10359995398).

12945107090 is a wasteful number, since it uses less digits than its factorization.

12945107090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217213.

The product of its (nonzero) digits is 22680, while the sum is 38.

The spelling of 12945107090 in words is "twelve billion, nine hundred forty-five million, one hundred seven thousand, ninety".