121213303334 has 4 divisors (see below), whose sum is σ = 181819955004. Its totient is φ = 60606651666.

The previous prime is 121213303331. The next prime is 121213303339. The reversal of 121213303334 is 433303312121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 433303312121 = 71 ⋅6102863551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121213303331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30303325832 + ... + 30303325835.

It is an arithmetic number, because the mean of its divisors is an integer number (45454988751).

Almost surely, 2^121213303334 is an apocalyptic number.

121213303334 is a deficient number, since it is larger than the sum of its proper divisors (60606651670).

121213303334 is an equidigital number, since it uses as much as digits as its factorization.

121213303334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60606651669.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 121213303334 its reverse (433303312121), we get a palindrome (554516615455).

The spelling of 121213303334 in words is "one hundred twenty-one billion, two hundred thirteen million, three hundred three thousand, three hundred thirty-four".