1212022012022 has 4 divisors (see below), whose sum is σ = 1818033018036. Its totient is φ = 606011006010.

The previous prime is 1212022012021. The next prime is 1212022012043. The reversal of 1212022012022 is 2202102202121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1212022012022² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212022012021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303005503004 + ... + 303005503007.

It is an arithmetic number, because the mean of its divisors is an integer number (454508254509).

Almost surely, 2^{1212022012022} is an apocalyptic number.

1212022012022 is a deficient number, since it is larger than the sum of its proper divisors (606011006014).

1212022012022 is an equidigital number, since it uses as much as digits as its factorization.

1212022012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606011006013.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1212022012022 its reverse (2202102202121), we get a palindrome (3414124214143).

The spelling of 1212022012022 in words is "one trillion, two hundred twelve billion, twenty-two million, twelve thousand, twenty-two".