1213013221422 has 16 divisors (see below), whose sum is σ = 2509682527440. Its totient is φ = 390395059712.

The previous prime is 1213013221421. The next prime is 1213013221423. The reversal of 1213013221422 is 2241223103121.

It is an interprime number because it is at equal distance from previous prime (1213013221421) and next prime (1213013221423).

It is a junction number, because it is equal to n+sod(n) for n = 1213013221392 and 1213013221401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213013221421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3485670003 + ... + 3485670350.

It is an arithmetic number, because the mean of its divisors is an integer number (156855157965).

Almost surely, 2^{1213013221422} is an apocalyptic number.

1213013221422 is an abundant number, since it is smaller than the sum of its proper divisors (1296669306018).

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

1213013221422 is a wasteful number, since it uses less digits than its factorization.

1213013221422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6971340387.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1213013221422 its reverse (2241223103121), we get a palindrome (3454236324543).

The spelling of 1213013221422 in words is "one trillion, two hundred thirteen billion, thirteen million, two hundred twenty-one thousand, four hundred twenty-two".