212341202143212 has 48 divisors (see below), whose sum is σ = 508881044175840. Its totient is φ = 68863715062272.

The previous prime is 212341202143207. The next prime is 212341202143223.

212341202143212 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×212341202143212² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212341202143212.

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, 4578387 + ... + 21110282.

It is an arithmetic number, because the mean of its divisors is an integer number (10601688420330).

Almost surely, 2^{212341202143212} is an apocalyptic number.

It is an amenable number.

212341202143212 is an abundant number, since it is smaller than the sum of its proper divisors (296539842032628).

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

212341202143212 is a wasteful number, since it uses less digits than its factorization.

212341202143212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25707330 (or 25707328 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

It can be divided in two parts, 21234120 and 2143212, that added together give a palindrome (23377332).

The spelling of 212341202143212 in words is "two hundred twelve trillion, three hundred forty-one billion, two hundred two million, one hundred forty-three thousand, two hundred twelve".