1212103113333 has 32 divisors (see below), whose sum is σ = 1848529562880. Its totient is φ = 692062410240.

The previous prime is 1212103113317. The next prime is 1212103113437. The reversal of 1212103113333 is 3333113012121.

It is not a de Polignac number, because 1212103113333 - 2⁴ = 1212103113317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212103113833) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199061353 + ... + 199067441.

It is an arithmetic number, because the mean of its divisors is an integer number (57766548840).

Almost surely, 2^{1212103113333} is an apocalyptic number.

It is an amenable number.

1212103113333 is a deficient number, since it is larger than the sum of its proper divisors (636426449547).

1212103113333 is a wasteful number, since it uses less digits than its factorization.

1212103113333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12317.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 1212103113333 its reverse (3333113012121), we get a palindrome (4545216125454).

The spelling of 1212103113333 in words is "one trillion, two hundred twelve billion, one hundred three million, one hundred thirteen thousand, three hundred thirty-three".