1221003200230 has 32 divisors (see below), whose sum is σ = 2398344484608. Its totient is φ = 443864460000.

The previous prime is 1221003200227. The next prime is 1221003200233. The reversal of 1221003200230 is 320023001221.

It is an interprime number because it is at equal distance from previous prime (1221003200227) and next prime (1221003200233).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1221003200233) 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, 1349562 + ... + 2064781.

It is an arithmetic number, because the mean of its divisors is an integer number (74948265144).

Almost surely, 2^{1221003200230} is an apocalyptic number.

1221003200230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1221003200230 is a deficient number, since it is larger than the sum of its proper divisors (1177341284378).

1221003200230 is a wasteful number, since it uses less digits than its factorization.

1221003200230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3417612.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1221003200230 its reverse (320023001221), we get a palindrome (1541026201451).

The spelling of 1221003200230 in words is "one trillion, two hundred twenty-one billion, three million, two hundred thousand, two hundred thirty".