121123132031013 has 16 divisors (see below), whose sum is σ = 184847808460416. Its totient is φ = 69108508434240.

The previous prime is 121123132030993. The next prime is 121123132031021. The reversal of 121123132031013 is 310130231321121.

It is not a de Polignac number, because 121123132031013 - 2¹⁶ = 121123131965477 is a prime.

It is a super-2 number, since 2×121123132031013² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121123132031023) 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, 4362897006 + ... + 4362924767.

It is an arithmetic number, because the mean of its divisors is an integer number (11552988028776).

Almost surely, 2^{121123132031013} is an apocalyptic number.

It is an amenable number.

121123132031013 is a deficient number, since it is larger than the sum of its proper divisors (63724676429403).

121123132031013 is an equidigital number, since it uses as much as digits as its factorization.

121123132031013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8725822444.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 121123132031013 its reverse (310130231321121), we get a palindrome (431253363352134).

The spelling of 121123132031013 in words is "one hundred twenty-one trillion, one hundred twenty-three billion, one hundred thirty-two million, thirty-one thousand, thirteen".