11420420012 has 12 divisors (see below), whose sum is σ = 20014250256. Its totient is φ = 5702062800.

The previous prime is 11420419999. The next prime is 11420420029. The reversal of 11420420012 is 21002402411.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2033648 + ... + 2039255.

It is an arithmetic number, because the mean of its divisors is an integer number (1667854188).

Almost surely, 2^11420420012 is an apocalyptic number.

It is an amenable number.

11420420012 is a deficient number, since it is larger than the sum of its proper divisors (8593830244).

11420420012 is a wasteful number, since it uses less digits than its factorization.

11420420012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4073608 (or 4073606 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11420420012 its reverse (21002402411), we get a palindrome (32422822423).

The spelling of 11420420012 in words is "eleven billion, four hundred twenty million, four hundred twenty thousand, twelve".