20212123313332 has 24 divisors (see below), whose sum is σ = 37456166180160. Its totient is φ = 9510497758080.

The previous prime is 20212123313323. The next prime is 20212123313351. The reversal of 20212123313332 is 23331332121202.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20212123313332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16428232 + ... + 17615647.

It is an arithmetic number, because the mean of its divisors is an integer number (1560673590840).

Almost surely, 2^{20212123313332} is an apocalyptic number.

It is an amenable number.

20212123313332 is a deficient number, since it is larger than the sum of its proper divisors (17244042866828).

20212123313332 is a wasteful number, since it uses less digits than its factorization.

20212123313332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34052631 (or 34052629 counting only the distinct ones).

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

Adding to 20212123313332 its reverse (23331332121202), we get a palindrome (43543455434534).

The spelling of 20212123313332 in words is "twenty trillion, two hundred twelve billion, one hundred twenty-three million, three hundred thirteen thousand, three hundred thirty-two".