121012133223213 has 48 divisors (see below), whose sum is σ = 190841946247680. Its totient is φ = 76415794734384.

The previous prime is 121012133223151. The next prime is 121012133223217. The reversal of 121012133223213 is 312322331210121.

121012133223213 is a `hidden beast` number, since 1 + 2 + 1 + 0 + 1 + 2 + 1 + 332 + 2 + 321 + 3 = 666.

It is not a de Polignac number, because 121012133223213 - 2²² = 121012129028909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121012133223217) 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, 25133920 + ... + 29559062.

It is an arithmetic number, because the mean of its divisors is an integer number (3975873880160).

Almost surely, 2^{121012133223213} is an apocalyptic number.

It is an amenable number.

121012133223213 is a deficient number, since it is larger than the sum of its proper divisors (69829813024467).

121012133223213 is an equidigital number, since it uses as much as digits as its factorization.

121012133223213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4431100 (or 4431088 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 121012133223213 its reverse (312322331210121), we get a palindrome (433334464433334).

The spelling of 121012133223213 in words is "one hundred twenty-one trillion, twelve billion, one hundred thirty-three million, two hundred twenty-three thousand, two hundred thirteen".