121240334001431 has 2 divisors, whose sum is σ = 121240334001432. Its totient is φ = 121240334001430.

The previous prime is 121240334001401. The next prime is 121240334001491. The reversal of 121240334001431 is 134100433042121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121240334001431 - 2³⁸ = 120965456094487 is a prime.

It is a super-2 number, since 2×121240334001431² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121240334001394 and 121240334001403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121240334001401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60620167000715 + 60620167000716.

It is an arithmetic number, because the mean of its divisors is an integer number (60620167000716).

Almost surely, 2^{121240334001431} is an apocalyptic number.

121240334001431 is a deficient number, since it is larger than the sum of its proper divisors (1).

121240334001431 is an equidigital number, since it uses as much as digits as its factorization.

121240334001431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 121240334001431 its reverse (134100433042121), we get a palindrome (255340767043552).

The spelling of 121240334001431 in words is "one hundred twenty-one trillion, two hundred forty billion, three hundred thirty-four million, one thousand, four hundred thirty-one".