12537890290 has 8 divisors (see below), whose sum is σ = 22568202540. Its totient is φ = 5015156112.

The previous prime is 12537890279. The next prime is 12537890293. The reversal of 12537890290 is 9209873521.

12537890290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11509212961 + 1028677329 = 107281^2 + 32073^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12537890290.

It is not an unprimeable number, because it can be changed into a prime (12537890293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626894505 + ... + 626894524.

Almost surely, 2^12537890290 is an apocalyptic number.

12537890290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12537890290 is a deficient number, since it is larger than the sum of its proper divisors (10030312250).

12537890290 is a wasteful number, since it uses less digits than its factorization.

12537890290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253789036.

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 12537890290 in words is "twelve billion, five hundred thirty-seven million, eight hundred ninety thousand, two hundred ninety".