212323133211028 has 36 divisors (see below), whose sum is σ = 446172114041472. Its totient is φ = 88060285661040.

The previous prime is 212323133210989. The next prime is 212323133211037. The reversal of 212323133211028 is 820112331323212.

It is a super-2 number, since 2×212323133211028² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212323133210984 and 212323133211002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17472272826 + ... + 17472284977.

Almost surely, 2^{212323133211028} is an apocalyptic number.

212323133211028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

212323133211028 is an abundant number, since it is smaller than the sum of its proper divisors (233848980830444).

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

212323133211028 is a wasteful number, since it uses less digits than its factorization.

212323133211028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34944557852 (or 34944557843 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 212323133211028 in words is "two hundred twelve trillion, three hundred twenty-three billion, one hundred thirty-three million, two hundred eleven thousand, twenty-eight".