121012212022 has 16 divisors (see below), whose sum is σ = 195525312192. Its totient is φ = 55839205440.

The previous prime is 121012212007. The next prime is 121012212023. The reversal of 121012212022 is 220212210121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121012211987 and 121012212005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121012212023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406254 + ... + 638017.

It is an arithmetic number, because the mean of its divisors is an integer number (12220332012).

Almost surely, 2^121012212022 is an apocalyptic number.

121012212022 is a deficient number, since it is larger than the sum of its proper divisors (74513100170).

121012212022 is a wasteful number, since it uses less digits than its factorization.

121012212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048743.

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

Adding to 121012212022 its reverse (220212210121), we get a palindrome (341224422143).

The spelling of 121012212022 in words is "one hundred twenty-one billion, twelve million, two hundred twelve thousand, twenty-two".