1242231413212 has 24 divisors (see below), whose sum is σ = 2268781272576. Its totient is φ = 594016732848.

The previous prime is 1242231413141. The next prime is 1242231413221. The reversal of 1242231413212 is 2123141322421.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 480808 + ... + 1647919.

It is an arithmetic number, because the mean of its divisors is an integer number (94532553024).

Almost surely, 2^{1242231413212} is an apocalyptic number.

It is an amenable number.

1242231413212 is a deficient number, since it is larger than the sum of its proper divisors (1026549859364).

1242231413212 is a wasteful number, since it uses less digits than its factorization.

1242231413212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135097 (or 2135095 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

Adding to 1242231413212 its reverse (2123141322421), we get a palindrome (3365372735633).

It can be divided in two parts, 12 and 42231413212, that added together give a palindrome (42231413224).

The spelling of 1242231413212 in words is "one trillion, two hundred forty-two billion, two hundred thirty-one million, four hundred thirteen thousand, two hundred twelve".