121212352311135 has 16 divisors (see below), whose sum is σ = 193940374520160. Its totient is φ = 64646384291840.

The previous prime is 121212352311109. The next prime is 121212352311179. The reversal of 121212352311135 is 531113253212121.

It is not a de Polignac number, because 121212352311135 - 2¹⁹ = 121212351786847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121212352311096 and 121212352311105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7741146 + ... + 17388215.

It is an arithmetic number, because the mean of its divisors is an integer number (12121273407510).

Almost surely, 2^{121212352311135} is an apocalyptic number.

121212352311135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121212352311135 is a deficient number, since it is larger than the sum of its proper divisors (72728022209025).

121212352311135 is a wasteful number, since it uses less digits than its factorization.

121212352311135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25450938.

The product of its digits is 10800, while the sum is 33.

The spelling of 121212352311135 in words is "one hundred twenty-one trillion, two hundred twelve billion, three hundred fifty-two million, three hundred eleven thousand, one hundred thirty-five".