202142412 has 96 divisors (see below), whose sum is σ = 546436800. Its totient is φ = 64544256.

The previous prime is 202142411. The next prime is 202142419. The reversal of 202142412 is 214241202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (202142411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 729618 + ... + 729894.

It is an arithmetic number, because the mean of its divisors is an integer number (5692050).

Almost surely, 2^202142412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202142412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273218400).

202142412 is an abundant number, since it is smaller than the sum of its proper divisors (344294388).

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

202142412 is a wasteful number, since it uses less digits than its factorization.

202142412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 202142412 is about 14217.6795575087. The cubic root of 202142412 is about 586.8842858007.

Adding to 202142412 its reverse (214241202), we get a palindrome (416383614).

The spelling of 202142412 in words is "two hundred two million, one hundred forty-two thousand, four hundred twelve".