12101011010 has 32 divisors (see below), whose sum is σ = 24341554944. Its totient is φ = 4293040000.

The previous prime is 12101011003. The next prime is 12101011019. The reversal of 12101011010 is 1011010121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12101011019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1337066 + ... + 1346085.

It is an arithmetic number, because the mean of its divisors is an integer number (760673592).

Almost surely, 2^12101011010 is an apocalyptic number.

12101011010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12101011010 is an abundant number, since it is smaller than the sum of its proper divisors (12240543934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12101011010 is a wasteful number, since it uses less digits than its factorization.

12101011010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2683210.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 12101011010 its reverse (1011010121), we get a palindrome (13112021131).

The spelling of 12101011010 in words is "twelve billion, one hundred one million, eleven thousand, ten".