12126849190 has 16 divisors (see below), whose sum is σ = 23112348192. Its totient is φ = 4565401984.

The previous prime is 12126849167. The next prime is 12126849253. The reversal of 12126849190 is 9194862121.

It is a super-2 number, since 2×12126849190² (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 7 ways as a sum of consecutive naturals, for example, 35667034 + ... + 35667373.

It is an arithmetic number, because the mean of its divisors is an integer number (1444521762).

Almost surely, 2^12126849190 is an apocalyptic number.

12126849190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12126849190 is a deficient number, since it is larger than the sum of its proper divisors (10985499002).

12126849190 is a wasteful number, since it uses less digits than its factorization.

12126849190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71334431.

The product of its (nonzero) digits is 62208, while the sum is 43.

The spelling of 12126849190 in words is "twelve billion, one hundred twenty-six million, eight hundred forty-nine thousand, one hundred ninety".