121214413 has 2 divisors, whose sum is σ = 121214414. Its totient is φ = 121214412.

The previous prime is 121214411. The next prime is 121214419. The reversal of 121214413 is 314412121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98346889 + 22867524 = 9917^2 + 4782^2 .

It is a cyclic number.

It is not a de Polignac number, because 121214413 - 2¹ = 121214411 is a prime.

Together with 121214411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121214411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60607206 + 60607207.

It is an arithmetic number, because the mean of its divisors is an integer number (60607207).

Almost surely, 2^121214413 is an apocalyptic number.

It is an amenable number.

121214413 is a deficient number, since it is larger than the sum of its proper divisors (1).

121214413 is an equidigital number, since it uses as much as digits as its factorization.

121214413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 19.

The square root of 121214413 is about 11009.7417317574. The cubic root of 121214413 is about 494.9007221912.

Adding to 121214413 its reverse (314412121), we get a palindrome (435626534).

It can be divided in two parts, 1212 and 14413, that added together give a 6-th power (15625 = 5⁶).

The spelling of 121214413 in words is "one hundred twenty-one million, two hundred fourteen thousand, four hundred thirteen".