133033211212 has 48 divisors (see below), whose sum is σ = 254616493824. Its totient is φ = 60316520000.

The previous prime is 133033211197. The next prime is 133033211231. The reversal of 133033211212 is 212112330331.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41688537 + ... + 41691727.

It is an arithmetic number, because the mean of its divisors is an integer number (5304510288).

Almost surely, 2^133033211212 is an apocalyptic number.

It is an amenable number.

133033211212 is a deficient number, since it is larger than the sum of its proper divisors (121583282612).

133033211212 is a wasteful number, since it uses less digits than its factorization.

133033211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5310 (or 5308 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 133033211212 its reverse (212112330331), we get a palindrome (345145541543).

The spelling of 133033211212 in words is "one hundred thirty-three billion, thirty-three million, two hundred eleven thousand, two hundred twelve".