12002022142 has 32 divisors (see below), whose sum is σ = 20113277184. Its totient is φ = 5324121600.

The previous prime is 12002022101. The next prime is 12002022143. The reversal of 12002022142 is 24122020021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002022143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1288542 + ... + 1297822.

It is an arithmetic number, because the mean of its divisors is an integer number (628539912).

Almost surely, 2^12002022142 is an apocalyptic number.

12002022142 is a deficient number, since it is larger than the sum of its proper divisors (8111255042).

12002022142 is a wasteful number, since it uses less digits than its factorization.

12002022142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10704.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12002022142 its reverse (24122020021), we get a palindrome (36124042163).

The spelling of 12002022142 in words is "twelve billion, two million, twenty-two thousand, one hundred forty-two".