212041401222 has 16 divisors (see below), whose sum is σ = 484666060032. Its totient is φ = 60583257480.

The previous prime is 212041401181. The next prime is 212041401223. The reversal of 212041401222 is 222104140212.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212041401223) 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, 2524302354 + ... + 2524302437.

It is an arithmetic number, because the mean of its divisors is an integer number (30291628752).

Almost surely, 2^212041401222 is an apocalyptic number.

212041401222 is an abundant number, since it is smaller than the sum of its proper divisors (272624658810).

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

212041401222 is a wasteful number, since it uses less digits than its factorization.

212041401222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5048604803.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 212041401222 its reverse (222104140212), we get a palindrome (434145541434).

The spelling of 212041401222 in words is "two hundred twelve billion, forty-one million, four hundred one thousand, two hundred twenty-two".