1212011112022 has 16 divisors (see below), whose sum is σ = 1830962194992. Its totient is φ = 601697665440.

The previous prime is 1212011111977. The next prime is 1212011112047. The reversal of 1212011112022 is 2202111102121.

It is a junction number, because it is equal to n+sod(n) for n = 1212011111987 and 1212011112005.

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, 1487833 + ... + 2153524.

It is an arithmetic number, because the mean of its divisors is an integer number (114435137187).

Almost surely, 2^{1212011112022} is an apocalyptic number.

1212011112022 is a deficient number, since it is larger than the sum of its proper divisors (618951082970).

1212011112022 is a wasteful number, since it uses less digits than its factorization.

1212011112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3642543.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1212011112022 its reverse (2202111102121), we get a palindrome (3414122214143).

Subtracting 1212011112022 from its reverse (2202111102121), we obtain a palindrome (990099990099).

The spelling of 1212011112022 in words is "one trillion, two hundred twelve billion, eleven million, one hundred twelve thousand, twenty-two".