121332403415 has 4 divisors (see below), whose sum is σ = 145598884104. Its totient is φ = 97065922728.

The previous prime is 121332403369. The next prime is 121332403427. The reversal of 121332403415 is 514304233121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121332403415 - 2¹⁴ = 121332387031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12133240337 + ... + 12133240346.

It is an arithmetic number, because the mean of its divisors is an integer number (36399721026).

Almost surely, 2^121332403415 is an apocalyptic number.

121332403415 is a deficient number, since it is larger than the sum of its proper divisors (24266480689).

121332403415 is an equidigital number, since it uses as much as digits as its factorization.

121332403415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24266480688.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 121332403415 its reverse (514304233121), we get a palindrome (635636636536).

The spelling of 121332403415 in words is "one hundred twenty-one billion, three hundred thirty-two million, four hundred three thousand, four hundred fifteen".