213012320232122 has 8 divisors (see below), whose sum is σ = 319525743749472. Its totient is φ = 106503738982300.

The previous prime is 213012320231947. The next prime is 213012320232227. The reversal of 213012320232122 is 221232023210312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 213012320232091 and 213012320232100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1210456904 + ... + 1210632867.

It is an arithmetic number, because the mean of its divisors is an integer number (39940717968684).

Almost surely, 2^{213012320232122} is an apocalyptic number.

213012320232122 is a deficient number, since it is larger than the sum of its proper divisors (106513423517350).

213012320232122 is a wasteful number, since it uses less digits than its factorization.

213012320232122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421133764.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 213012320232122 its reverse (221232023210312), we get a palindrome (434244343442434).

The spelling of 213012320232122 in words is "two hundred thirteen trillion, twelve billion, three hundred twenty million, two hundred thirty-two thousand, one hundred twenty-two".