202012142 has 8 divisors (see below), whose sum is σ = 318966600. Its totient is φ = 95689944.

The previous prime is 202012127. The next prime is 202012147. The reversal of 202012142 is 241210202.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202012147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2658017 + ... + 2658092.

It is an arithmetic number, because the mean of its divisors is an integer number (39870825).

Almost surely, 2^202012142 is an apocalyptic number.

202012142 is a deficient number, since it is larger than the sum of its proper divisors (116954458).

202012142 is a wasteful number, since it uses less digits than its factorization.

202012142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5316130.

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

The square root of 202012142 is about 14213.0975512026. The cubic root of 202012142 is about 586.7581868384.

Adding to 202012142 its reverse (241210202), we get a palindrome (443222344).

The spelling of 202012142 in words is "two hundred two million, twelve thousand, one hundred forty-two".