212012201100122 has 16 divisors (see below), whose sum is σ = 344556080586432. Its totient is φ = 97450204608960.

The previous prime is 212012201100097. The next prime is 212012201100131. The reversal of 212012201100122 is 221001102210212.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 212012201100122.

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, 72507591254 + ... + 72507594177.

It is an arithmetic number, because the mean of its divisors is an integer number (21534755036652).

Almost surely, 2^{212012201100122} is an apocalyptic number.

212012201100122 is a deficient number, since it is larger than the sum of its proper divisors (132543879486310).

212012201100122 is a wasteful number, since it uses less digits than its factorization.

212012201100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145015185493.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212012201100122 its reverse (221001102210212), we get a palindrome (433013303310334).

The spelling of 212012201100122 in words is "two hundred twelve trillion, twelve billion, two hundred one million, one hundred thousand, one hundred twenty-two".