1012121220022 has 24 divisors (see below), whose sum is σ = 1693651990968. Its totient is φ = 453188598720.

The previous prime is 1012121219987. The next prime is 1012121220059. The reversal of 1012121220022 is 2200221212101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1012121219978 and 1012121220005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31195123 + ... + 31227550.

It is an arithmetic number, because the mean of its divisors is an integer number (70568832957).

Almost surely, 2^{1012121220022} is an apocalyptic number.

1012121220022 is a deficient number, since it is larger than the sum of its proper divisors (681530770946).

1012121220022 is a wasteful number, since it uses less digits than its factorization.

1012121220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62422764 (or 62422753 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1012121220022 its reverse (2200221212101), we get a palindrome (3212342432123).

The spelling of 1012121220022 in words is "one trillion, twelve billion, one hundred twenty-one million, two hundred twenty thousand, twenty-two".