133013221312312 has 32 divisors (see below), whose sum is σ = 272073439382400. Its totient is φ = 60460345976800.

The previous prime is 133013221312267. The next prime is 133013221312319. The reversal of 133013221312312 is 213213122310331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133013221312319) 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, 24562989 + ... + 29485027.

It is an arithmetic number, because the mean of its divisors is an integer number (8502294980700).

Almost surely, 2^{133013221312312} is an apocalyptic number.

It is an amenable number.

133013221312312 is an abundant number, since it is smaller than the sum of its proper divisors (139060218070088).

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

133013221312312 is a wasteful number, since it uses less digits than its factorization.

133013221312312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5229147 (or 5229143 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 133013221312312 its reverse (213213122310331), we get a palindrome (346226343622643).

The spelling of 133013221312312 in words is "one hundred thirty-three trillion, thirteen billion, two hundred twenty-one million, three hundred twelve thousand, three hundred twelve".