1213012332123 has 8 divisors (see below), whose sum is σ = 1619068536336. Its totient is φ = 807815508000.

The previous prime is 1213012332029. The next prime is 1213012332167. The reversal of 1213012332123 is 3212332103121.

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

It is not a de Polignac number, because 1213012332123 - 2¹⁸ = 1213012069979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1213012332093 and 1213012332102.

It is not an unprimeable number, because it can be changed into a prime (1213012332823) 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, 214841728 + ... + 214847373.

It is an arithmetic number, because the mean of its divisors is an integer number (202383567042).

Almost surely, 2^{1213012332123} is an apocalyptic number.

1213012332123 is a deficient number, since it is larger than the sum of its proper divisors (406056204213).

1213012332123 is an equidigital number, since it uses as much as digits as its factorization.

1213012332123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429690045.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1213012332123 its reverse (3212332103121), we get a palindrome (4425344435244).

The spelling of 1213012332123 in words is "one trillion, two hundred thirteen billion, twelve million, three hundred thirty-two thousand, one hundred twenty-three".