121212133201311 has 8 divisors (see below), whose sum is σ = 162191324142384. Its totient is φ = 80520515530560.

The previous prime is 121212133201303. The next prime is 121212133201319. The reversal of 121212133201311 is 113102331212121.

It is an interprime number because it is at equal distance from previous prime (121212133201303) and next prime (121212133201319).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121212133201311 - 2³ = 121212133201303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121212133201319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71893316596 + ... + 71893318281.

It is an arithmetic number, because the mean of its divisors is an integer number (20273915517798).

Almost surely, 2^{121212133201311} is an apocalyptic number.

121212133201311 is a deficient number, since it is larger than the sum of its proper divisors (40979190941073).

121212133201311 is a wasteful number, since it uses less digits than its factorization.

121212133201311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143786635161.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 121212133201311 its reverse (113102331212121), we get a palindrome (234314464413432).

The spelling of 121212133201311 in words is "one hundred twenty-one trillion, two hundred twelve billion, one hundred thirty-three million, two hundred one thousand, three hundred eleven".