1212112001022 has 32 divisors (see below), whose sum is σ = 2674378455840. Its totient is φ = 363861012480.

The previous prime is 1212112001003. The next prime is 1212112001029. The reversal of 1212112001022 is 2201002112121.

It is a junction number, because it is equal to n+sod(n) for n = 1212112000992 and 1212112001010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212112001029) 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 15 ways as a sum of consecutive naturals, for example, 189507747 + ... + 189514142.

It is an arithmetic number, because the mean of its divisors is an integer number (83574326745).

Almost surely, 2^{1212112001022} is an apocalyptic number.

1212112001022 is an abundant number, since it is smaller than the sum of its proper divisors (1462266454818).

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

1212112001022 is a wasteful number, since it uses less digits than its factorization.

1212112001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379021948.

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

Adding to 1212112001022 its reverse (2201002112121), we get a palindrome (3413114113143).

The spelling of 1212112001022 in words is "one trillion, two hundred twelve billion, one hundred twelve million, one thousand, twenty-two".