212040045410312 has 128 divisors (see below), whose sum is σ = 475318234460160. Its totient is φ = 86705002095360.

The previous prime is 212040045410269. The next prime is 212040045410429. The reversal of 212040045410312 is 213014540040212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1250940638 + ... + 1251110130.

It is an arithmetic number, because the mean of its divisors is an integer number (3713423706720).

Almost surely, 2^{212040045410312} 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 212040045410312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237659117230080).

212040045410312 is an abundant number, since it is smaller than the sum of its proper divisors (263278189049848).

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

212040045410312 is a wasteful number, since it uses less digits than its factorization.

212040045410312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171963 (or 171959 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 212040045410312 its reverse (213014540040212), we get a palindrome (425054585450524).

The spelling of 212040045410312 in words is "two hundred twelve trillion, forty billion, forty-five million, four hundred ten thousand, three hundred twelve".