212210000101240 has 32 divisors (see below), whose sum is σ = 477651799190880. Its totient is φ = 84852124669312.

The previous prime is 212210000101199. The next prime is 212210000101241. The reversal of 212210000101240 is 42101000012212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212210000101241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 995997499 + ... + 996210538.

It is an arithmetic number, because the mean of its divisors is an integer number (14926618724715).

Almost surely, 2^{212210000101240} is an apocalyptic number.

212210000101240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212210000101240 is an abundant number, since it is smaller than the sum of its proper divisors (265441799089640).

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

212210000101240 is a wasteful number, since it uses less digits than its factorization.

212210000101240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992210711 (or 1992210707 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212210000101240 its reverse (42101000012212), we get a palindrome (254311000113452).

The spelling of 212210000101240 in words is "two hundred twelve trillion, two hundred ten billion, one hundred one thousand, two hundred forty".