121302343051 has 4 divisors (see below), whose sum is σ = 121380152400. Its totient is φ = 121224533704.

The previous prime is 121302343037. The next prime is 121302343081. The reversal of 121302343051 is 150343203121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150343203121 = 366697 ⋅409993.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121302343051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121302343081) 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, 38902336 + ... + 38905453.

It is an arithmetic number, because the mean of its divisors is an integer number (30345038100).

Almost surely, 2^121302343051 is an apocalyptic number.

121302343051 is a deficient number, since it is larger than the sum of its proper divisors (77809349).

121302343051 is an equidigital number, since it uses as much as digits as its factorization.

121302343051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77809348.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 121302343051 its reverse (150343203121), we get a palindrome (271645546172).

The spelling of 121302343051 in words is "one hundred twenty-one billion, three hundred two million, three hundred forty-three thousand, fifty-one".