213112400343422 has 64 divisors (see below), whose sum is σ = 350854271539200. Its totient is φ = 96695259373440.

The previous prime is 213112400343419. The next prime is 213112400343431. The reversal of 213112400343422 is 224343004211312.

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 31 ways as a sum of consecutive naturals, for example, 507511283 + ... + 507931025.

It is an arithmetic number, because the mean of its divisors is an integer number (5482097992800).

Almost surely, 2^{213112400343422} is an apocalyptic number.

213112400343422 is a deficient number, since it is larger than the sum of its proper divisors (137741871195778).

213112400343422 is a wasteful number, since it uses less digits than its factorization.

213112400343422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423441.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 213112400343422 its reverse (224343004211312), we get a palindrome (437455404554734).

The spelling of 213112400343422 in words is "two hundred thirteen trillion, one hundred twelve billion, four hundred million, three hundred forty-three thousand, four hundred twenty-two".