121332323019 has 4 divisors (see below), whose sum is σ = 161776430696. Its totient is φ = 80888215344.

The previous prime is 121332322999. The next prime is 121332323023. The reversal of 121332323019 is 910323233121.

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

It is not a de Polignac number, because 121332323019 - 2²¹ = 121330225867 is a prime.

It is a super-2 number, since 2×121332323019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121332323719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20222053834 + ... + 20222053839.

It is an arithmetic number, because the mean of its divisors is an integer number (40444107674).

Almost surely, 2^121332323019 is an apocalyptic number.

121332323019 is a deficient number, since it is larger than the sum of its proper divisors (40444107677).

121332323019 is an equidigital number, since it uses as much as digits as its factorization.

121332323019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40444107676.

The product of its (nonzero) digits is 5832, while the sum is 30.

The spelling of 121332323019 in words is "one hundred twenty-one billion, three hundred thirty-two million, three hundred twenty-three thousand, nineteen".