1233311201212 has 6 divisors (see below), whose sum is σ = 2158294602128. Its totient is φ = 616655600604.

The previous prime is 1233311201209. The next prime is 1233311201219. The reversal of 1233311201212 is 2121021133321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233311201219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154163900148 + ... + 154163900155.

Almost surely, 2^{1233311201212} is an apocalyptic number.

It is an amenable number.

1233311201212 is a deficient number, since it is larger than the sum of its proper divisors (924983400916).

1233311201212 is a wasteful number, since it uses less digits than its factorization.

1233311201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308327800307 (or 308327800305 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1233311201212 its reverse (2121021133321), we get a palindrome (3354332334533).

The spelling of 1233311201212 in words is "one trillion, two hundred thirty-three billion, three hundred eleven million, two hundred one thousand, two hundred twelve".