1213220222030 has 16 divisors (see below), whose sum is σ = 2259099724320. Its totient is φ = 468554016672.

The previous prime is 1213220222003. The next prime is 1213220222063. The reversal of 1213220222030 is 302220223121.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1213220221993 and 1213220222011.

It is a congruent number.

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, 2091758714 + ... + 2091759293.

It is an arithmetic number, because the mean of its divisors is an integer number (141193732770).

Almost surely, 2^{1213220222030} is an apocalyptic number.

1213220222030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213220222030 is a deficient number, since it is larger than the sum of its proper divisors (1045879502290).

1213220222030 is a wasteful number, since it uses less digits than its factorization.

1213220222030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4183518043.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1213220222030 its reverse (302220223121), we get a palindrome (1515440445151).

The spelling of 1213220222030 in words is "one trillion, two hundred thirteen billion, two hundred twenty million, two hundred twenty-two thousand, thirty".