1233421101212 has 6 divisors (see below), whose sum is σ = 2158486927128. Its totient is φ = 616710550604.

The previous prime is 1233421101173. The next prime is 1233421101221. The reversal of 1233421101212 is 2121011243321.

It is a super-2 number, since 2×1233421101212² (a number of 25 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 154177637648 + ... + 154177637655.

It is an arithmetic number, because the mean of its divisors is an integer number (359747821188).

Almost surely, 2^{1233421101212} is an apocalyptic number.

It is an amenable number.

1233421101212 is a deficient number, since it is larger than the sum of its proper divisors (925065825916).

1233421101212 is a wasteful number, since it uses less digits than its factorization.

1233421101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308355275307 (or 308355275305 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1233421101212 its reverse (2121011243321), we get a palindrome (3354432344533).

The spelling of 1233421101212 in words is "one trillion, two hundred thirty-three billion, four hundred twenty-one million, one hundred one thousand, two hundred twelve".