121412322311021 has 32 divisors (see below), whose sum is σ = 147577854977280. Its totient is φ = 97506981052416.

The previous prime is 121412322311011. The next prime is 121412322311023. The reversal of 121412322311021 is 120113223214121.

It is a cyclic number.

It is not a de Polignac number, because 121412322311021 - 2¹⁸ = 121412322048877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121412322311023) 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, 359455265 + ... + 359792873.

It is an arithmetic number, because the mean of its divisors is an integer number (4611807968040).

Almost surely, 2^{121412322311021} is an apocalyptic number.

It is an amenable number.

121412322311021 is a deficient number, since it is larger than the sum of its proper divisors (26165532666259).

121412322311021 is a wasteful number, since it uses less digits than its factorization.

121412322311021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351173.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 121412322311021 its reverse (120113223214121), we get a palindrome (241525545525142).

The spelling of 121412322311021 in words is "one hundred twenty-one trillion, four hundred twelve billion, three hundred twenty-two million, three hundred eleven thousand, twenty-one".