1212201011022 has 16 divisors (see below), whose sum is σ = 2436963692880. Its totient is φ = 401973391872.

The previous prime is 1212201011011. The next prime is 1212201011053. The reversal of 1212201011022 is 2201101022121.

It is a super-2 number, since 2×1212201011022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1212201010992 and 1212201011010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523401697 + ... + 523404012.

It is an arithmetic number, because the mean of its divisors is an integer number (152310230805).

Almost surely, 2^{1212201011022} is an apocalyptic number.

1212201011022 is an abundant number, since it is smaller than the sum of its proper divisors (1224762681858).

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

1212201011022 is a wasteful number, since it uses less digits than its factorization.

1212201011022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046805907.

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

Adding to 1212201011022 its reverse (2201101022121), we get a palindrome (3413302033143).

The spelling of 1212201011022 in words is "one trillion, two hundred twelve billion, two hundred one million, eleven thousand, twenty-two".