1212414036142 has 16 divisors (see below), whose sum is σ = 1843686414720. Its totient is φ = 597853274112.

The previous prime is 1212414036139. The next prime is 1212414036149. The reversal of 1212414036142 is 2416304142121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212414036149) 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, 1456323 + ... + 2132065.

It is an arithmetic number, because the mean of its divisors is an integer number (115230400920).

Almost surely, 2^{1212414036142} is an apocalyptic number.

1212414036142 is a deficient number, since it is larger than the sum of its proper divisors (631272378578).

1212414036142 is a wasteful number, since it uses less digits than its factorization.

1212414036142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688107.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 1212414036142 its reverse (2416304142121), we get a palindrome (3628718178263).

The spelling of 1212414036142 in words is "one trillion, two hundred twelve billion, four hundred fourteen million, thirty-six thousand, one hundred forty-two".