12190609746 has 72 divisors (see below), whose sum is σ = 30799576080. Its totient is φ = 3474613296.

The previous prime is 12190609729. The next prime is 12190609757. The reversal of 12190609746 is 64790609121.

It is a super-2 number, since 2×12190609746² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 353065 + ... + 386051.

It is an arithmetic number, because the mean of its divisors is an integer number (427771890).

Almost surely, 2^12190609746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12190609746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15399788040).

12190609746 is an abundant number, since it is smaller than the sum of its proper divisors (18608966334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12190609746 is a wasteful number, since it uses less digits than its factorization.

12190609746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33428 (or 33418 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 12190609746 in words is "twelve billion, one hundred ninety million, six hundred nine thousand, seven hundred forty-six".