1012240420142 has 48 divisors (see below), whose sum is σ = 1870895199600. Its totient is φ = 408136764672.

The previous prime is 1012240420099. The next prime is 1012240420181. The reversal of 1012240420142 is 2410240422101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4127453 + ... + 4365815.

It is an arithmetic number, because the mean of its divisors is an integer number (38976983325).

Almost surely, 2^{1012240420142} is an apocalyptic number.

1012240420142 is a deficient number, since it is larger than the sum of its proper divisors (858654779458).

1012240420142 is a wasteful number, since it uses less digits than its factorization.

1012240420142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240945 (or 240938 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 1012240420142 its reverse (2410240422101), we get a palindrome (3422480842243).

The spelling of 1012240420142 in words is "one trillion, twelve billion, two hundred forty million, four hundred twenty thousand, one hundred forty-two".