3111206012 has 6 divisors (see below), whose sum is σ = 5444610528. Its totient is φ = 1555603004.

The previous prime is 3111205991. The next prime is 3111206017. The reversal of 3111206012 is 2106021113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111206017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 388900748 + ... + 388900755.

It is an arithmetic number, because the mean of its divisors is an integer number (907435088).

Almost surely, 2^3111206012 is an apocalyptic number.

It is an amenable number.

3111206012 is a deficient number, since it is larger than the sum of its proper divisors (2333404516).

3111206012 is a wasteful number, since it uses less digits than its factorization.

3111206012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777801507 (or 777801505 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 3111206012 is about 55778.1858077152. The cubic root of 3111206012 is about 1459.8545567257.

Adding to 3111206012 its reverse (2106021113), we get a palindrome (5217227125).

The spelling of 3111206012 in words is "three billion, one hundred eleven million, two hundred six thousand, twelve".