33212013312223 has 4 divisors (see below), whose sum is σ = 33369416219128. Its totient is φ = 33054610405320.

The previous prime is 33212013312167. The next prime is 33212013312229. The reversal of 33212013312223 is 32221331021233.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 33212013312223 - 2¹³ = 33212013304031 is a prime.

It is a super-2 number, since 2×33212013312223² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33212013312191 and 33212013312200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33212013312229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78701453136 + ... + 78701453557.

It is an arithmetic number, because the mean of its divisors is an integer number (8342354054782).

Almost surely, 2^{33212013312223} is an apocalyptic number.

33212013312223 is a deficient number, since it is larger than the sum of its proper divisors (157402906905).

33212013312223 is a wasteful number, since it uses less digits than its factorization.

33212013312223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157402906904.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 33212013312223 its reverse (32221331021233), we get a palindrome (65433344333456).

The spelling of 33212013312223 in words is "thirty-three trillion, two hundred twelve billion, thirteen million, three hundred twelve thousand, two hundred twenty-three".