12001211112010 has 16 divisors (see below), whose sum is σ = 21602234797416. Its totient is φ = 4800472267968.

The previous prime is 12001211111983. The next prime is 12001211112041. The reversal of 12001211112010 is 1021111210021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3403349763489 + 8597861348521 = 1844817^2 + 2932211^2 .

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, 3364312 + ... + 5943148.

Almost surely, 2^{12001211112010} is an apocalyptic number.

12001211112010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12001211112010 is a deficient number, since it is larger than the sum of its proper divisors (9601023685406).

12001211112010 is a wasteful number, since it uses less digits than its factorization.

12001211112010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3044217.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12001211112010 its reverse (1021111210021), we get a palindrome (13022322322031).

The spelling of 12001211112010 in words is "twelve trillion, one billion, two hundred eleven million, one hundred twelve thousand, ten".