121203432013213 has 16 divisors (see below), whose sum is σ = 132601240953216. Its totient is φ = 109868864624640.

The previous prime is 121203432013171. The next prime is 121203432013217. The reversal of 121203432013213 is 312310234302121.

It is not a de Polignac number, because 121203432013213 - 2⁹ = 121203432012701 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 (121203432013217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110730520 + ... + 111819742.

It is an arithmetic number, because the mean of its divisors is an integer number (8287577559576).

Almost surely, 2^{121203432013213} is an apocalyptic number.

It is an amenable number.

121203432013213 is a deficient number, since it is larger than the sum of its proper divisors (11397808940003).

121203432013213 is a wasteful number, since it uses less digits than its factorization.

121203432013213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118244.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 121203432013213 its reverse (312310234302121), we get a palindrome (433513666315334).

The spelling of 121203432013213 in words is "one hundred twenty-one trillion, two hundred three billion, four hundred thirty-two million, thirteen thousand, two hundred thirteen".