1201112012 has 24 divisors (see below), whose sum is σ = 2118384576. Its totient is φ = 595874048.

The previous prime is 1201111993. The next prime is 1201112027. The reversal of 1201112012 is 2102111021.

It is a junction number, because it is equal to n+sod(n) for n = 1201111984 and 1201112002.

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, 408893 + ... + 411819.

It is an arithmetic number, because the mean of its divisors is an integer number (88266024).

Almost surely, 2^1201112012 is an apocalyptic number.

It is an amenable number.

1201112012 is a deficient number, since it is larger than the sum of its proper divisors (917272564).

1201112012 is a wasteful number, since it uses less digits than its factorization.

1201112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697 (or 3695 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1201112012 is about 34657.0629453795. The cubic root of 1201112012 is about 1062.9867148087.

Adding to 1201112012 its reverse (2102111021), we get a palindrome (3303223033).

Subtracting 1201112012 from its reverse (2102111021), we obtain a palindrome (900999009).

The spelling of 1201112012 in words is "one billion, two hundred one million, one hundred twelve thousand, twelve".