121432010102443 has 4 divisors (see below), whose sum is σ = 121560238202760. Its totient is φ = 121303782002128.

The previous prime is 121432010102387. The next prime is 121432010102551. The reversal of 121432010102443 is 344201010234121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121432010102443 - 2¹³ = 121432010094251 is a prime.

It is a super-2 number, since 2×121432010102443² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121432010132443) 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, 64114048738 + ... + 64114050631.

It is an arithmetic number, because the mean of its divisors is an integer number (30390059550690).

Almost surely, 2^{121432010102443} is an apocalyptic number.

121432010102443 is a deficient number, since it is larger than the sum of its proper divisors (128228100317).

121432010102443 is an equidigital number, since it uses as much as digits as its factorization.

121432010102443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128228100316.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 121432010102443 its reverse (344201010234121), we get a palindrome (465633020336564).

The spelling of 121432010102443 in words is "one hundred twenty-one trillion, four hundred thirty-two billion, ten million, one hundred two thousand, four hundred forty-three".