12036231642 has 16 divisors (see below), whose sum is σ = 25488490752. Its totient is φ = 3776072640.

The previous prime is 12036231607. The next prime is 12036231643. The reversal of 12036231642 is 24613263021.

It is not an unprimeable number, because it can be changed into a prime (12036231643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59001034 + ... + 59001237.

It is an arithmetic number, because the mean of its divisors is an integer number (1593030672).

Almost surely, 2^12036231642 is an apocalyptic number.

12036231642 is an abundant number, since it is smaller than the sum of its proper divisors (13452259110).

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

12036231642 is a wasteful number, since it uses less digits than its factorization.

12036231642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118002293.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 12036231642 its reverse (24613263021), we get a palindrome (36649494663).

The spelling of 12036231642 in words is "twelve billion, thirty-six million, two hundred thirty-one thousand, six hundred forty-two".