12201131442 has 16 divisors (see below), whose sum is σ = 24815861280. Its totient is φ = 3998110752.

The previous prime is 12201131429. The next prime is 12201131479. The reversal of 12201131442 is 24413110221.

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, 17232883 + ... + 17233590.

It is an arithmetic number, because the mean of its divisors is an integer number (1550991330).

Almost surely, 2^12201131442 is an apocalyptic number.

12201131442 is an abundant number, since it is smaller than the sum of its proper divisors (12614729838).

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

12201131442 is a wasteful number, since it uses less digits than its factorization.

12201131442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34466537.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12201131442 its reverse (24413110221), we get a palindrome (36614241663).

The spelling of 12201131442 in words is "twelve billion, two hundred one million, one hundred thirty-one thousand, four hundred forty-two".