1212132232123 has 8 divisors (see below), whose sum is σ = 1222396471296. Its totient is φ = 1201908805800.

The previous prime is 1212132232117. The next prime is 1212132232127. The reversal of 1212132232123 is 3212322312121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1212132232123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212132232127) 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, 10143561 + ... + 10262362.

It is an arithmetic number, because the mean of its divisors is an integer number (152799558912).

Almost surely, 2^{1212132232123} is an apocalyptic number.

1212132232123 is a deficient number, since it is larger than the sum of its proper divisors (10264239173).

1212132232123 is a wasteful number, since it uses less digits than its factorization.

1212132232123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20406425.

The product of its digits is 1728, while the sum is 25.

Adding to 1212132232123 its reverse (3212322312121), we get a palindrome (4424454544244).

The spelling of 1212132232123 in words is "one trillion, two hundred twelve billion, one hundred thirty-two million, two hundred thirty-two thousand, one hundred twenty-three".