121133201311212 has 24 divisors (see below), whose sum is σ = 289217255845056. Its totient is φ = 39438716705808.

The previous prime is 121133201311153. The next prime is 121133201311247. The reversal of 121133201311212 is 212113102331121.

It is a super-2 number, since 2×121133201311212² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117377132538 + ... + 117377133569.

It is an arithmetic number, because the mean of its divisors is an integer number (12050718993544).

Almost surely, 2^{121133201311212} is an apocalyptic number.

121133201311212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121133201311212 is an abundant number, since it is smaller than the sum of its proper divisors (168084054533844).

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

121133201311212 is a wasteful number, since it uses less digits than its factorization.

121133201311212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234754266157 (or 234754266155 counting only the distinct ones).

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

Adding to 121133201311212 its reverse (212113102331121), we get a palindrome (333246303642333).

The spelling of 121133201311212 in words is "one hundred twenty-one trillion, one hundred thirty-three billion, two hundred one million, three hundred eleven thousand, two hundred twelve".