202143320412 has 48 divisors (see below), whose sum is σ = 514636453632. Its totient is φ = 61244858880.

The previous prime is 202143320329. The next prime is 202143320441. The reversal of 202143320412 is 214023341202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 642393 + ... + 903855.

It is an arithmetic number, because the mean of its divisors is an integer number (10721592784).

Almost surely, 2^202143320412 is an apocalyptic number.

202143320412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

202143320412 is an abundant number, since it is smaller than the sum of its proper divisors (312493133220).

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

202143320412 is a wasteful number, since it uses less digits than its factorization.

202143320412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267338 (or 267336 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 202143320412 its reverse (214023341202), we get a palindrome (416166661614).

The spelling of 202143320412 in words is "two hundred two billion, one hundred forty-three million, three hundred twenty thousand, four hundred twelve".