12011111011010 has 16 divisors (see below), whose sum is σ = 22559999812416. Its totient is φ = 4595555517168.

The previous prime is 12011111011001. The next prime is 12011111011013. The reversal of 12011111011010 is 1011011111021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12011111010982 and 12011111011000.

It is not an unprimeable number, because it can be changed into a prime (12011111011013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26111110664 + ... + 26111111123.

It is an arithmetic number, because the mean of its divisors is an integer number (1409999988276).

Almost surely, 2^{12011111011010} is an apocalyptic number.

12011111011010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011111011010 is a deficient number, since it is larger than the sum of its proper divisors (10548888801406).

12011111011010 is a wasteful number, since it uses less digits than its factorization.

12011111011010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52222221817.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 12011111011010 its reverse (1011011111021), we get a palindrome (13022122122031).

The spelling of 12011111011010 in words is "twelve trillion, eleven billion, one hundred eleven million, eleven thousand, ten".