121200023022 has 32 divisors (see below), whose sum is σ = 269467054080. Its totient is φ = 36089336160.

The previous prime is 121200023017. The next prime is 121200023069. The reversal of 121200023022 is 220320002121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121200022992 and 121200023010.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 25059622 + ... + 25064457.

It is an arithmetic number, because the mean of its divisors is an integer number (8420845440).

Almost surely, 2^121200023022 is an apocalyptic number.

121200023022 is an abundant number, since it is smaller than the sum of its proper divisors (148267031058).

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

121200023022 is a wasteful number, since it uses less digits than its factorization.

121200023022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50124128.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 121200023022 its reverse (220320002121), we get a palindrome (341520025143).

The spelling of 121200023022 in words is "one hundred twenty-one billion, two hundred million, twenty-three thousand, twenty-two".