22101313123212 has 24 divisors (see below), whose sum is σ = 53347997194800. Its totient is φ = 7113066292416.

The previous prime is 22101313123207. The next prime is 22101313123237. The reversal of 22101313123212 is 21232131310122.

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, 31754759887 + ... + 31754760582.

It is an arithmetic number, because the mean of its divisors is an integer number (2222833216450).

Almost surely, 2^{22101313123212} is an apocalyptic number.

It is an amenable number.

22101313123212 is an abundant number, since it is smaller than the sum of its proper divisors (31246684071588).

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

22101313123212 is a wasteful number, since it uses less digits than its factorization.

22101313123212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63509520505 (or 63509520503 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 22101313123212 its reverse (21232131310122), we get a palindrome (43333444433334).

The spelling of 22101313123212 in words is "twenty-two trillion, one hundred one billion, three hundred thirteen million, one hundred twenty-three thousand, two hundred twelve".