201213041222 has 4 divisors (see below), whose sum is σ = 301819561836. Its totient is φ = 100606520610.

The previous prime is 201213041221. The next prime is 201213041251. The reversal of 201213041222 is 222140312102.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 201213041194 and 201213041203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201213041221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50303260304 + ... + 50303260307.

It is an arithmetic number, because the mean of its divisors is an integer number (75454890459).

Almost surely, 2^201213041222 is an apocalyptic number.

201213041222 is a deficient number, since it is larger than the sum of its proper divisors (100606520614).

201213041222 is a wasteful number, since it uses less digits than its factorization.

201213041222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100606520613.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 201213041222 its reverse (222140312102), we get a palindrome (423353353324).

The spelling of 201213041222 in words is "two hundred one billion, two hundred thirteen million, forty-one thousand, two hundred twenty-two".