121340420002 has 8 divisors (see below), whose sum is σ = 182028350700. Its totient is φ = 60664303104.

The previous prime is 121340419901. The next prime is 121340420021. The reversal of 121340420002 is 200024043121.

It can be written as a sum of positive squares in 2 ways, for example, as 105690660201 + 15649759801 = 325101^2 + 125099^2 .

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

It is an unprimeable number.

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, 2927727 + ... + 2968882.

Almost surely, 2^121340420002 is an apocalyptic number.

121340420002 is a deficient number, since it is larger than the sum of its proper divisors (60687930698).

121340420002 is a wasteful number, since it uses less digits than its factorization.

121340420002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5906900.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 121340420002 its reverse (200024043121), we get a palindrome (321364463123).

The spelling of 121340420002 in words is "one hundred twenty-one billion, three hundred forty million, four hundred twenty thousand, two".