1212021112022 has 8 divisors (see below), whose sum is σ = 2077750477776. Its totient is φ = 519437619432.

The previous prime is 1212021112007. The next prime is 1212021112063. The reversal of 1212021112022 is 2202111202121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43286468273 + ... + 43286468300.

It is an arithmetic number, because the mean of its divisors is an integer number (259718809722).

Almost surely, 2^{1212021112022} is an apocalyptic number.

1212021112022 is a deficient number, since it is larger than the sum of its proper divisors (865729365754).

1212021112022 is an equidigital number, since it uses as much as digits as its factorization.

1212021112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86572936582.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1212021112022 its reverse (2202111202121), we get a palindrome (3414132314143).

Subtracting 1212021112022 from its reverse (2202111202121), we obtain a palindrome (990090090099).

The spelling of 1212021112022 in words is "one trillion, two hundred twelve billion, twenty-one million, one hundred twelve thousand, twenty-two".