212033112340 has 48 divisors (see below), whose sum is σ = 538813562112. Its totient is φ = 68420768256.

The previous prime is 212033112307. The next prime is 212033112341. The reversal of 212033112340 is 43211330212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212033112341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44542392 + ... + 44547151.

It is an arithmetic number, because the mean of its divisors is an integer number (11225282544).

Almost surely, 2^212033112340 is an apocalyptic number.

212033112340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212033112340 is an abundant number, since it is smaller than the sum of its proper divisors (326780449772).

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

212033112340 is a wasteful number, since it uses less digits than its factorization.

212033112340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89089576 (or 89089574 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 212033112340 its reverse (43211330212), we get a palindrome (255244442552).

The spelling of 212033112340 in words is "two hundred twelve billion, thirty-three million, one hundred twelve thousand, three hundred forty".