1012420340012 has 24 divisors (see below), whose sum is σ = 1773976659840. Its totient is φ = 505570181760.

The previous prime is 1012420339919. The next prime is 1012420340047. The reversal of 1012420340012 is 2100430242101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13504712 + ... + 13579472.

It is an arithmetic number, because the mean of its divisors is an integer number (73915694160).

Almost surely, 2^{1012420340012} is an apocalyptic number.

It is an amenable number.

1012420340012 is a deficient number, since it is larger than the sum of its proper divisors (761556319828).

1012420340012 is a wasteful number, since it uses less digits than its factorization.

1012420340012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79001 (or 78999 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1012420340012 its reverse (2100430242101), we get a palindrome (3112850582113).

The spelling of 1012420340012 in words is "one trillion, twelve billion, four hundred twenty million, three hundred forty thousand, twelve".