1212210201022 has 16 divisors (see below), whose sum is σ = 1832428064880. Its totient is φ = 601405757568.

The previous prime is 1212210201019. The next prime is 1212210201029. The reversal of 1212210201022 is 2201020122121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1212210200987 and 1212210201005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212210201029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 732913 + ... + 1720924.

It is an arithmetic number, because the mean of its divisors is an integer number (114526754055).

Almost surely, 2^{1212210201022} is an apocalyptic number.

1212210201022 is a deficient number, since it is larger than the sum of its proper divisors (620217863858).

1212210201022 is a wasteful number, since it uses less digits than its factorization.

1212210201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455755.

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

Adding to 1212210201022 its reverse (2201020122121), we get a palindrome (3413230323143).

The spelling of 1212210201022 in words is "one trillion, two hundred twelve billion, two hundred ten million, two hundred one thousand, twenty-two".