212322411420440 has 16 divisors (see below), whose sum is σ = 477725425696080. Its totient is φ = 84928964568160.

The previous prime is 212322411420433. The next prime is 212322411420503. The reversal of 212322411420440 is 44024114223212.

It is a junction number, because it is equal to n+sod(n) for n = 212322411420397 and 212322411420406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2654030142716 + ... + 2654030142795.

It is an arithmetic number, because the mean of its divisors is an integer number (29857839106005).

Almost surely, 2^{212322411420440} is an apocalyptic number.

212322411420440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212322411420440 is an abundant number, since it is smaller than the sum of its proper divisors (265403014275640).

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

212322411420440 is a wasteful number, since it uses less digits than its factorization.

212322411420440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5308060285522 (or 5308060285518 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 212322411420440 its reverse (44024114223212), we get a palindrome (256346525643652).

The spelling of 212322411420440 in words is "two hundred twelve trillion, three hundred twenty-two billion, four hundred eleven million, four hundred twenty thousand, four hundred forty".