1213022222300 has 72 divisors (see below), whose sum is σ = 3013795688064. Its totient is φ = 415132885440.

The previous prime is 1213022222249. The next prime is 1213022222353. The reversal of 1213022222300 is 32222203121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1201094 + ... + 1966893.

Almost surely, 2^{1213022222300} is an apocalyptic number.

1213022222300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1213022222300 is an abundant number, since it is smaller than the sum of its proper divisors (1800773465764).

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

1213022222300 is a wasteful number, since it uses less digits than its factorization.

1213022222300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3168555 (or 3168548 counting only the distinct ones).

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

Adding to 1213022222300 its reverse (32222203121), we get a palindrome (1245244425421).

The spelling of 1213022222300 in words is "one trillion, two hundred thirteen billion, twenty-two million, two hundred twenty-two thousand, three hundred".