12290423046 has 32 divisors (see below), whose sum is σ = 26926770816. Its totient is φ = 3708912000.

The previous prime is 12290423027. The next prime is 12290423051. The reversal of 12290423046 is 64032409221.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 12290422998 and 12290423016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370440 + ... + 402251.

It is an arithmetic number, because the mean of its divisors is an integer number (841461588).

Almost surely, 2^12290423046 is an apocalyptic number.

12290423046 is an abundant number, since it is smaller than the sum of its proper divisors (14636347770).

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

12290423046 is a wasteful number, since it uses less digits than its factorization.

12290423046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772948.

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 12290423046 in words is "twelve billion, two hundred ninety million, four hundred twenty-three thousand, forty-six".