1212220430132 has 12 divisors (see below), whose sum is σ = 2127794775456. Its totient is φ = 604279065720.

The previous prime is 1212220430129. The next prime is 1212220430207. The reversal of 1212220430132 is 2310340222121.

It is a super-2 number, since 2×1212220430132² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1212220430098 and 1212220430107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457785848 + ... + 457788495.

It is an arithmetic number, because the mean of its divisors is an integer number (177316231288).

Almost surely, 2^{1212220430132} is an apocalyptic number.

It is an amenable number.

1212220430132 is a deficient number, since it is larger than the sum of its proper divisors (915574345324).

1212220430132 is a wasteful number, since it uses less digits than its factorization.

1212220430132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915574678 (or 915574676 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1212220430132 its reverse (2310340222121), we get a palindrome (3522560652253).

The spelling of 1212220430132 in words is "one trillion, two hundred twelve billion, two hundred twenty million, four hundred thirty thousand, one hundred thirty-two".