1212232213203 has 24 divisors (see below), whose sum is σ = 1814404913664. Its totient is φ = 719054558640.

The previous prime is 1212232213183. The next prime is 1212232213219. The reversal of 1212232213203 is 3023122322121.

It is not a de Polignac number, because 1212232213203 - 2¹² = 1212232209107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1212232213253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35509351 + ... + 35543472.

It is an arithmetic number, because the mean of its divisors is an integer number (75600204736).

Almost surely, 2^{1212232213203} is an apocalyptic number.

1212232213203 is a deficient number, since it is larger than the sum of its proper divisors (602172700461).

1212232213203 is a wasteful number, since it uses less digits than its factorization.

1212232213203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71052895 (or 71052884 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1212232213203 its reverse (3023122322121), we get a palindrome (4235354535324).

The spelling of 1212232213203 in words is "one trillion, two hundred twelve billion, two hundred thirty-two million, two hundred thirteen thousand, two hundred three".