121231240301 has 4 divisors (see below), whose sum is σ = 125141925504. Its totient is φ = 117320555100.

The previous prime is 121231240289. The next prime is 121231240331. The reversal of 121231240301 is 103042132121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 103042132121 = 353 ⋅291904057.

It is a cyclic number.

It is not a de Polignac number, because 121231240301 - 2¹⁸ = 121230978157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121231240331) 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, 1955342555 + ... + 1955342616.

It is an arithmetic number, because the mean of its divisors is an integer number (31285481376).

Almost surely, 2^121231240301 is an apocalyptic number.

It is an amenable number.

121231240301 is a deficient number, since it is larger than the sum of its proper divisors (3910685203).

121231240301 is an equidigital number, since it uses as much as digits as its factorization.

121231240301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3910685202.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121231240301 its reverse (103042132121), we get a palindrome (224273372422).

The spelling of 121231240301 in words is "one hundred twenty-one billion, two hundred thirty-one million, two hundred forty thousand, three hundred one".