2312130013222 has 4 divisors (see below), whose sum is σ = 3468195019836. Its totient is φ = 1156065006610.

The previous prime is 2312130013211. The next prime is 2312130013223. The reversal of 2312130013222 is 2223100312132.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2312130013193 and 2312130013202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312130013223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578032503304 + ... + 578032503307.

It is an arithmetic number, because the mean of its divisors is an integer number (867048754959).

Almost surely, 2^{2312130013222} is an apocalyptic number.

2312130013222 is a deficient number, since it is larger than the sum of its proper divisors (1156065006614).

2312130013222 is a wasteful number, since it uses less digits than its factorization.

2312130013222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156065006613.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2312130013222 its reverse (2223100312132), we get a palindrome (4535230325354).

The spelling of 2312130013222 in words is "two trillion, three hundred twelve billion, one hundred thirty million, thirteen thousand, two hundred twenty-two".