1213202231322 has 16 divisors (see below), whose sum is σ = 2426418672480. Its totient is φ = 404398375472.

The previous prime is 1213202231281. The next prime is 1213202231393. The reversal of 1213202231322 is 2231322023121.

It is a junction number, because it is equal to n+sod(n) for n = 1213202231292 and 1213202231301.

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, 752833 + ... + 1730075.

It is an arithmetic number, because the mean of its divisors is an integer number (151651167030).

Almost surely, 2^{1213202231322} is an apocalyptic number.

1213202231322 is an abundant number, since it is smaller than the sum of its proper divisors (1213216441158).

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

1213202231322 is a wasteful number, since it uses less digits than its factorization.

1213202231322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184157.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1213202231322 its reverse (2231322023121), we get a palindrome (3444524254443).

The spelling of 1213202231322 in words is "one trillion, two hundred thirteen billion, two hundred two million, two hundred thirty-one thousand, three hundred twenty-two".