1211210012022 has 32 divisors (see below), whose sum is σ = 2565105190272. Its totient is φ = 379959325824.

The previous prime is 1211210011997. The next prime is 1211210012027. The reversal of 1211210012022 is 2202100121121.

It is a junction number, because it is equal to n+sod(n) for n = 1211210011992 and 1211210012010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211210012027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 967093 + ... + 1832399.

It is an arithmetic number, because the mean of its divisors is an integer number (80159537196).

Almost surely, 2^{1211210012022} is an apocalyptic number.

1211210012022 is an abundant number, since it is smaller than the sum of its proper divisors (1353895178250).

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

1211210012022 is a wasteful number, since it uses less digits than its factorization.

1211210012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879052.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1211210012022 its reverse (2202100121121), we get a palindrome (3413310133143).

The spelling of 1211210012022 in words is "one trillion, two hundred eleven billion, two hundred ten million, twelve thousand, twenty-two".