212210423232140 has 24 divisors (see below), whose sum is σ = 445642299344592. Its totient is φ = 84884091091520.

The previous prime is 212210423232091. The next prime is 212210423232151. The reversal of 212210423232140 is 41232324012212.

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, 20608082 + ... + 29139558.

It is an arithmetic number, because the mean of its divisors is an integer number (18568429139358).

Almost surely, 2^{212210423232140} is an apocalyptic number.

212210423232140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212210423232140 is an abundant number, since it is smaller than the sum of its proper divisors (233431876112452).

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

212210423232140 is a wasteful number, since it uses less digits than its factorization.

212210423232140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9775177 (or 9775175 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 212210423232140 its reverse (41232324012212), we get a palindrome (253442747244352).

The spelling of 212210423232140 in words is "two hundred twelve trillion, two hundred ten billion, four hundred twenty-three million, two hundred thirty-two thousand, one hundred forty".