121214421434 has 8 divisors (see below), whose sum is σ = 181823128500. Its totient is φ = 60606711936.

The previous prime is 121214421431. The next prime is 121214421439. The reversal of 121214421434 is 434124412121.

It can be written as a sum of positive squares in 2 ways, for example, as 121140890809 + 73530625 = 348053^2 + 8575^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 121214421397 and 121214421406.

It is not an unprimeable number, because it can be changed into a prime (121214421431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274442 + ... + 563690.

Almost surely, 2^121214421434 is an apocalyptic number.

121214421434 is a deficient number, since it is larger than the sum of its proper divisors (60608707066).

121214421434 is a wasteful number, since it uses less digits than its factorization.

121214421434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498784.

The product of its digits is 6144, while the sum is 29.

Adding to 121214421434 its reverse (434124412121), we get a palindrome (555338833555).

The spelling of 121214421434 in words is "one hundred twenty-one billion, two hundred fourteen million, four hundred twenty-one thousand, four hundred thirty-four".