212303442012 has 24 divisors (see below), whose sum is σ = 507457008912. Its totient is φ = 69041769600.

The previous prime is 212303441993. The next prime is 212303442047. The reversal of 212303442012 is 210244303212.

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 7 ways as a sum of consecutive naturals, for example, 215755039 + ... + 215756022.

It is an arithmetic number, because the mean of its divisors is an integer number (21144042038).

Almost surely, 2^212303442012 is an apocalyptic number.

It is an amenable number.

212303442012 is an abundant number, since it is smaller than the sum of its proper divisors (295153566900).

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

212303442012 is a wasteful number, since it uses less digits than its factorization.

212303442012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431511109 (or 431511107 counting only the distinct ones).

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

Adding to 212303442012 its reverse (210244303212), we get a palindrome (422547745224).

The spelling of 212303442012 in words is "two hundred twelve billion, three hundred three million, four hundred forty-two thousand, twelve".