12146574642 has 16 divisors (see below), whose sum is σ = 24294692352. Its totient is φ = 4048601040.

The previous prime is 12146574617. The next prime is 12146574691. The reversal of 12146574642 is 24647564121.

It is a junction number, because it is equal to n+sod(n) for n = 12146574594 and 12146574603.

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, 55092 + ... + 165312.

It is an arithmetic number, because the mean of its divisors is an integer number (1518418272).

Almost surely, 2^12146574642 is an apocalyptic number.

12146574642 is an abundant number, since it is smaller than the sum of its proper divisors (12148117710).

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

12146574642 is a wasteful number, since it uses less digits than its factorization.

12146574642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128593.

The product of its digits is 322560, while the sum is 42.

The spelling of 12146574642 in words is "twelve billion, one hundred forty-six million, five hundred seventy-four thousand, six hundred forty-two".