212103212322 has 16 divisors (see below), whose sum is σ = 424251508320. Its totient is φ = 70693556832.

The previous prime is 212103212309. The next prime is 212103212341. The reversal of 212103212322 is 223212301212.

It is a super-2 number, since 2×212103212322² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1817172 + ... + 1930367.

It is an arithmetic number, because the mean of its divisors is an integer number (26515719270).

Almost surely, 2^212103212322 is an apocalyptic number.

212103212322 is an abundant number, since it is smaller than the sum of its proper divisors (212148295998).

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

212103212322 is a wasteful number, since it uses less digits than its factorization.

212103212322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3756977.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212103212322 its reverse (223212301212), we get a palindrome (435315513534).

The spelling of 212103212322 in words is "two hundred twelve billion, one hundred three million, two hundred twelve thousand, three hundred twenty-two".