12202142 has 8 divisors (see below), whose sum is σ = 19266600. Its totient is φ = 5779944.

The previous prime is 12202139. The next prime is 12202171. The reversal of 12202142 is 24120221.

12202142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a zygodrome in base 6.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160517 + ... + 160592.

It is an arithmetic number, because the mean of its divisors is an integer number (2408325).

Almost surely, 2^12202142 is an apocalyptic number.

12202142 is a deficient number, since it is larger than the sum of its proper divisors (7064458).

12202142 is a wasteful number, since it uses less digits than its factorization.

12202142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321130.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 12202142 is about 3493.1564522649. The cubic root of 12202142 is about 230.2212238222.

Adding to 12202142 its reverse (24120221), we get a palindrome (36322363).

The spelling of 12202142 in words is "twelve million, two hundred two thousand, one hundred forty-two".