133223021111212 has 48 divisors (see below), whose sum is σ = 239642361205632. Its totient is φ = 64767873784320.

The previous prime is 133223021111207. The next prime is 133223021111251. The reversal of 133223021111212 is 212111120322331.

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, 325930287 + ... + 326338777.

It is an arithmetic number, because the mean of its divisors is an integer number (4992549191784).

Almost surely, 2^{133223021111212} is an apocalyptic number.

It is an amenable number.

133223021111212 is a deficient number, since it is larger than the sum of its proper divisors (106419340094420).

133223021111212 is a wasteful number, since it uses less digits than its factorization.

133223021111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417118 (or 417116 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 133223021111212 its reverse (212111120322331), we get a palindrome (345334141433543).

The spelling of 133223021111212 in words is "one hundred thirty-three trillion, two hundred twenty-three billion, twenty-one million, one hundred eleven thousand, two hundred twelve".