121231101323013 has 8 divisors (see below), whose sum is σ = 176336147378976. Its totient is φ = 73473394741200.

The previous prime is 121231101322993. The next prime is 121231101323023. The reversal of 121231101323013 is 310323101132121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121231101323013 - 2⁹ = 121231101322501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121231101323023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1836834868498 + ... + 1836834868563.

It is an arithmetic number, because the mean of its divisors is an integer number (22042018422372).

Almost surely, 2^{121231101323013} is an apocalyptic number.

It is an amenable number.

121231101323013 is a deficient number, since it is larger than the sum of its proper divisors (55105046055963).

121231101323013 is a wasteful number, since it uses less digits than its factorization.

121231101323013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3673669737075.

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

Adding to 121231101323013 its reverse (310323101132121), we get a palindrome (431554202455134).

The spelling of 121231101323013 in words is "one hundred twenty-one trillion, two hundred thirty-one billion, one hundred one million, three hundred twenty-three thousand, thirteen".