121231003033001 has 4 divisors (see below), whose sum is σ = 123518380448772. Its totient is φ = 118943625617232.

The previous prime is 121231003032991. The next prime is 121231003033003. The reversal of 121231003033001 is 100330300132121.

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

It can be written as a sum of positive squares in 2 ways, for example, as 106047238709776 + 15183764323225 = 10297924^2 + 3896635^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121231003033001 is a prime.

It is a super-2 number, since 2×121231003033001² (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 (121231003033003) 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, 1143688707806 + ... + 1143688707911.

It is an arithmetic number, because the mean of its divisors is an integer number (30879595112193).

Almost surely, 2^{121231003033001} is an apocalyptic number.

It is an amenable number.

121231003033001 is a deficient number, since it is larger than the sum of its proper divisors (2287377415771).

121231003033001 is an equidigital number, since it uses as much as digits as its factorization.

121231003033001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287377415770.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 121231003033001 its reverse (100330300132121), we get a palindrome (221561303165122).

The spelling of 121231003033001 in words is "one hundred twenty-one trillion, two hundred thirty-one billion, three million, thirty-three thousand, one".