1212133132130 has 8 divisors (see below), whose sum is σ = 2181839637852. Its totient is φ = 484853252848.

The previous prime is 1212133132123. The next prime is 1212133132139. The reversal of 1212133132130 is 312313312121.

It can be written as a sum of positive squares in 2 ways, for example, as 1174321162921 + 37811969209 = 1083661^2 + 194453^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1212133132096 and 1212133132105.

It is not an unprimeable number, because it can be changed into a prime (1212133132139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60606656597 + ... + 60606656616.

Almost surely, 2^{1212133132130} is an apocalyptic number.

1212133132130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212133132130 is a deficient number, since it is larger than the sum of its proper divisors (969706505722).

1212133132130 is a wasteful number, since it uses less digits than its factorization.

1212133132130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121213313220.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1212133132130 its reverse (312313312121), we get a palindrome (1524446444251).

The spelling of 1212133132130 in words is "one trillion, two hundred twelve billion, one hundred thirty-three million, one hundred thirty-two thousand, one hundred thirty".