1213203023230 has 64 divisors (see below), whose sum is σ = 2387437675200. Its totient is φ = 440212433920.

The previous prime is 1213203023191. The next prime is 1213203023233. The reversal of 1213203023230 is 323203023121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213203023233) 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 31 ways as a sum of consecutive naturals, for example, 109598136 + ... + 109609204.

It is an arithmetic number, because the mean of its divisors is an integer number (37303713675).

Almost surely, 2^{1213203023230} is an apocalyptic number.

1213203023230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213203023230 is a deficient number, since it is larger than the sum of its proper divisors (1174234651970).

1213203023230 is a wasteful number, since it uses less digits than its factorization.

1213203023230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13149.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1213203023230 its reverse (323203023121), we get a palindrome (1536406046351).

The spelling of 1213203023230 in words is "one trillion, two hundred thirteen billion, two hundred three million, twenty-three thousand, two hundred thirty".