1213103222300 has 36 divisors (see below), whose sum is σ = 2643448412640. Its totient is φ = 483210981120.

The previous prime is 1213103222273. The next prime is 1213103222321. The reversal of 1213103222300 is 32223013121.

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25354829 + ... + 25402628.

Almost surely, 2^{1213103222300} is an apocalyptic number.

1213103222300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1213103222300 is an abundant number, since it is smaller than the sum of its proper divisors (1430345190340).

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

1213103222300 is a wasteful number, since it uses less digits than its factorization.

1213103222300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50757710 (or 50757703 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1213103222300 its reverse (32223013121), we get a palindrome (1245326235421).

The spelling of 1213103222300 in words is "one trillion, two hundred thirteen billion, one hundred three million, two hundred twenty-two thousand, three hundred".