212221123130 has 32 divisors (see below), whose sum is σ = 385024752000. Its totient is φ = 84216727872.

The previous prime is 212221123117. The next prime is 212221123159. The reversal of 212221123130 is 31321122212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1890044 + ... + 1999176.

It is an arithmetic number, because the mean of its divisors is an integer number (12032023500).

Almost surely, 2^212221123130 is an apocalyptic number.

212221123130 is a deficient number, since it is larger than the sum of its proper divisors (172803628870).

212221123130 is a wasteful number, since it uses less digits than its factorization.

212221123130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110678.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 212221123130 its reverse (31321122212), we get a palindrome (243542245342).

The spelling of 212221123130 in words is "two hundred twelve billion, two hundred twenty-one million, one hundred twenty-three thousand, one hundred thirty".