121402402434043 has 32 divisors (see below), whose sum is σ = 124419926568960. Its totient is φ = 118430828006400.

The previous prime is 121402402434013. The next prime is 121402402434091. The reversal of 121402402434043 is 340434204204121.

It is a cyclic number.

It is not a de Polignac number, because 121402402434043 - 2¹³ = 121402402425851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121402402434013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10605602946 + ... + 10605614392.

It is an arithmetic number, because the mean of its divisors is an integer number (3888122705280).

Almost surely, 2^{121402402434043} is an apocalyptic number.

121402402434043 is a deficient number, since it is larger than the sum of its proper divisors (3017524134917).

121402402434043 is a wasteful number, since it uses less digits than its factorization.

121402402434043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16387.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 121402402434043 its reverse (340434204204121), we get a palindrome (461836606638164).

The spelling of 121402402434043 in words is "one hundred twenty-one trillion, four hundred two billion, four hundred two million, four hundred thirty-four thousand, forty-three".