1213120023001 has 8 divisors (see below), whose sum is σ = 1284503270400. Its totient is φ = 1141739358528.

The previous prime is 1213120022971. The next prime is 1213120023007. The reversal of 1213120023001 is 1003200213121.

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

It is a cyclic number.

It is not a de Polignac number, because 1213120023001 - 2⁹ = 1213120022489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213120023007) 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, 366600 + ... + 1600198.

It is an arithmetic number, because the mean of its divisors is an integer number (160562908800).

Almost surely, 2^{1213120023001} is an apocalyptic number.

It is an amenable number.

1213120023001 is a deficient number, since it is larger than the sum of its proper divisors (71383247399).

1213120023001 is a wasteful number, since it uses less digits than its factorization.

1213120023001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291463.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1213120023001 its reverse (1003200213121), we get a palindrome (2216320236122).

The spelling of 1213120023001 in words is "one trillion, two hundred thirteen billion, one hundred twenty million, twenty-three thousand, one".