12290423045 has 32 divisors (see below), whose sum is σ = 15307056000. Its totient is φ = 9468161280.

The previous prime is 12290423027. The next prime is 12290423051. The reversal of 12290423045 is 54032409221.

It is not a de Polignac number, because 12290423045 - 2¹⁸ = 12290160901 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4839386 + ... + 4841924.

It is an arithmetic number, because the mean of its divisors is an integer number (478345500).

Almost surely, 2^12290423045 is an apocalyptic number.

It is an amenable number.

12290423045 is a deficient number, since it is larger than the sum of its proper divisors (3016632955).

12290423045 is a wasteful number, since it uses less digits than its factorization.

12290423045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2933.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 12290423045 in words is "twelve billion, two hundred ninety million, four hundred twenty-three thousand, forty-five".