133212231022120 has 32 divisors (see below), whose sum is σ = 299727872912520. Its totient is φ = 53284829633280.

The previous prime is 133212231022103. The next prime is 133212231022127. The reversal of 133212231022120 is 21220132212331.

It can be written as a sum of positive squares in 4 ways, for example, as 130608829410084 + 2603401612036 = 11428422^2 + 1613506^2 .

It is not an unprimeable number, because it can be changed into a prime (133212231022127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48336874 + ... + 51018406.

Almost surely, 2^{133212231022120} is an apocalyptic number.

133212231022120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133212231022120 is an abundant number, since it is smaller than the sum of its proper divisors (166515641890400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133212231022120 is a wasteful number, since it uses less digits than its factorization.

133212231022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3923485 (or 3923481 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 133212231022120 its reverse (21220132212331), we get a palindrome (154432363234451).

The spelling of 133212231022120 in words is "one hundred thirty-three trillion, two hundred twelve billion, two hundred thirty-one million, twenty-two thousand, one hundred twenty".