121211010212193 has 48 divisors (see below), whose sum is σ = 198228947716800. Its totient is φ = 70697036269440.

The previous prime is 121211010212189. The next prime is 121211010212203. The reversal of 121211010212193 is 391212010112121.

121211010212193 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 121211010212193 - 2² = 121211010212189 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121211010222193) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67879338 + ... + 69642131.

It is an arithmetic number, because the mean of its divisors is an integer number (4129769744100).

Almost surely, 2^{121211010212193} is an apocalyptic number.

It is an amenable number.

121211010212193 is a deficient number, since it is larger than the sum of its proper divisors (77017937504607).

121211010212193 is a wasteful number, since it uses less digits than its factorization.

121211010212193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137521822 (or 137521819 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 27.

The spelling of 121211010212193 in words is "one hundred twenty-one trillion, two hundred eleven billion, ten million, two hundred twelve thousand, one hundred ninety-three".