121213433414 has 8 divisors (see below), whose sum is σ = 188089810560. Its totient is φ = 58516829896.

The previous prime is 121213433359. The next prime is 121213433449. The reversal of 121213433414 is 414334312121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1044943334 + ... + 1044943449.

It is an arithmetic number, because the mean of its divisors is an integer number (23511226320).

Almost surely, 2^121213433414 is an apocalyptic number.

121213433414 is a deficient number, since it is larger than the sum of its proper divisors (66876377146).

121213433414 is a wasteful number, since it uses less digits than its factorization.

121213433414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2089886814.

The product of its digits is 6912, while the sum is 29.

Adding to 121213433414 its reverse (414334312121), we get a palindrome (535547745535).

The spelling of 121213433414 in words is "one hundred twenty-one billion, two hundred thirteen million, four hundred thirty-three thousand, four hundred fourteen".