1213022221030 has 32 divisors (see below), whose sum is σ = 2236780707840. Its totient is φ = 473356308480.

The previous prime is 1213022221013. The next prime is 1213022221039. The reversal of 1213022221030 is 301222203121.

It is a junction number, because it is equal to n+sod(n) for n = 1213022220989 and 1213022221007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213022221039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16416027 + ... + 16489753.

It is an arithmetic number, because the mean of its divisors is an integer number (69899397120).

Almost surely, 2^{1213022221030} is an apocalyptic number.

1213022221030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213022221030 is a deficient number, since it is larger than the sum of its proper divisors (1023758486810).

1213022221030 is a wasteful number, since it uses less digits than its factorization.

1213022221030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113904.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1213022221030 its reverse (301222203121), we get a palindrome (1514244424151).

The spelling of 1213022221030 in words is "one trillion, two hundred thirteen billion, twenty-two million, two hundred twenty-one thousand, thirty".