142340013212 has 12 divisors (see below), whose sum is σ = 249097736160. Its totient is φ = 71169231456.

The previous prime is 142340013121. The next prime is 142340013241. The reversal of 142340013212 is 212310043241.

It is a super-2 number, since 2×142340013212² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478589 + ... + 716747.

It is an arithmetic number, because the mean of its divisors is an integer number (20758144680).

Almost surely, 2^142340013212 is an apocalyptic number.

It is an amenable number.

142340013212 is a deficient number, since it is larger than the sum of its proper divisors (106757722948).

142340013212 is a wasteful number, since it uses less digits than its factorization.

142340013212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387580 (or 387578 counting only the distinct ones).

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

Adding to 142340013212 its reverse (212310043241), we get a palindrome (354650056453).

The spelling of 142340013212 in words is "one hundred forty-two billion, three hundred forty million, thirteen thousand, two hundred twelve".