121012300221231 has 32 divisors (see below), whose sum is σ = 166968155128320. Its totient is φ = 77906446502400.

The previous prime is 121012300221209. The next prime is 121012300221251. The reversal of 121012300221231 is 132122003210121.

It is not a de Polignac number, because 121012300221231 - 2⁹ = 121012300220719 is a prime.

It is a super-2 number, since 2×121012300221231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121012300221198 and 121012300221207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121012300221251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24756475 + ... + 29238803.

It is an arithmetic number, because the mean of its divisors is an integer number (5217754847760).

Almost surely, 2^{121012300221231} is an apocalyptic number.

121012300221231 is a deficient number, since it is larger than the sum of its proper divisors (45955854907089).

121012300221231 is a wasteful number, since it uses less digits than its factorization.

121012300221231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4484607.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 121012300221231 its reverse (132122003210121), we get a palindrome (253134303431352).

The spelling of 121012300221231 in words is "one hundred twenty-one trillion, twelve billion, three hundred million, two hundred twenty-one thousand, two hundred thirty-one".