1201212211022 has 8 divisors (see below), whose sum is σ = 1818657740376. Its totient is φ = 594992964232.

The previous prime is 1201212210949. The next prime is 1201212211081. The reversal of 1201212211022 is 2201122121021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2806570373 + ... + 2806570800.

It is an arithmetic number, because the mean of its divisors is an integer number (227332217547).

Almost surely, 2^{1201212211022} is an apocalyptic number.

1201212211022 is a deficient number, since it is larger than the sum of its proper divisors (617445529354).

1201212211022 is a wasteful number, since it uses less digits than its factorization.

1201212211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5613141282.

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

Adding to 1201212211022 its reverse (2201122121021), we get a palindrome (3402334332043).

Subtracting 1201212211022 from its reverse (2201122121021), we obtain a palindrome (999909909999).

The spelling of 1201212211022 in words is "one trillion, two hundred one billion, two hundred twelve million, two hundred eleven thousand, twenty-two".