2212105321590 has 64 divisors (see below), whose sum is σ = 5322003264000. Its totient is φ = 588456372224.

The previous prime is 2212105321583. The next prime is 2212105321649. The reversal of 2212105321590 is 951235012122.

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, 75942769 + ... + 75971891.

It is an arithmetic number, because the mean of its divisors is an integer number (83156301000).

Almost surely, 2^{2212105321590} is an apocalyptic number.

2212105321590 is an abundant number, since it is smaller than the sum of its proper divisors (3109897942410).

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

2212105321590 is a wasteful number, since it uses less digits than its factorization.

2212105321590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35221.

The product of its (nonzero) digits is 10800, while the sum is 33.

It can be divided in two parts, 221210532 and 1590, that added together give a palindrome (221212122).

The spelling of 2212105321590 in words is "two trillion, two hundred twelve billion, one hundred five million, three hundred twenty-one thousand, five hundred ninety".