133122011655216 has 120 divisors (see below), whose sum is σ = 363526309922304. Its totient is φ = 41971904472960.

The previous prime is 133122011655209. The next prime is 133122011655257. The reversal of 133122011655216 is 612556110221331.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4846425 + ... + 17021511.

Almost surely, 2^{133122011655216} is an apocalyptic number.

133122011655216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133122011655216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181763154961152).

133122011655216 is an abundant number, since it is smaller than the sum of its proper divisors (230404298267088).

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

133122011655216 is a wasteful number, since it uses less digits than its factorization.

133122011655216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12175767 (or 12175742 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

Adding to 133122011655216 its reverse (612556110221331), we get a palindrome (745678121876547).

The spelling of 133122011655216 in words is "one hundred thirty-three trillion, one hundred twenty-two billion, eleven million, six hundred fifty-five thousand, two hundred sixteen".