12345771474 has 48 divisors (see below), whose sum is σ = 28167310080. Its totient is φ = 3897240480.

The previous prime is 12345771469. The next prime is 12345771481. The reversal of 12345771474 is 47417754321.

12345771474 is a `hidden beast` number, since 1 + 2 + 3 + 4 + 577 + 1 + 4 + 74 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1321279 + ... + 1330589.

It is an arithmetic number, because the mean of its divisors is an integer number (586818960).

Almost surely, 2^12345771474 is an apocalyptic number.

12345771474 is an abundant number, since it is smaller than the sum of its proper divisors (15821538606).

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

12345771474 is a wasteful number, since it uses less digits than its factorization.

12345771474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13215 (or 13212 counting only the distinct ones).

The product of its digits is 658560, while the sum is 45.

The spelling of 12345771474 in words is "twelve billion, three hundred forty-five million, seven hundred seventy-one thousand, four hundred seventy-four".