133111204412 has 24 divisors (see below), whose sum is σ = 238352452800. Its totient is φ = 65025149760.

The previous prime is 133111204393. The next prime is 133111204441. The reversal of 133111204412 is 214402111331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1794308 + ... + 1867019.

It is an arithmetic number, because the mean of its divisors is an integer number (9931352200).

Almost surely, 2^133111204412 is an apocalyptic number.

It is an amenable number.

133111204412 is a deficient number, since it is larger than the sum of its proper divisors (105241248388).

133111204412 is a wasteful number, since it uses less digits than its factorization.

133111204412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3661541 (or 3661539 counting only the distinct ones).

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

Adding to 133111204412 its reverse (214402111331), we get a palindrome (347513315743).

The spelling of 133111204412 in words is "one hundred thirty-three billion, one hundred eleven million, two hundred four thousand, four hundred twelve".