2011211210012 has 12 divisors (see below), whose sum is σ = 3520518194760. Its totient is φ = 1005348868656.

The previous prime is 2011211210011. The next prime is 2011211210023. The reversal of 2011211210012 is 2100121121102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011211210011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64166462 + ... + 64197797.

It is an arithmetic number, because the mean of its divisors is an integer number (293376516230).

Almost surely, 2^{2011211210012} is an apocalyptic number.

It is an amenable number.

2011211210012 is a deficient number, since it is larger than the sum of its proper divisors (1509306984748).

2011211210012 is a wasteful number, since it uses less digits than its factorization.

2011211210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128368180 (or 128368178 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2011211210012 its reverse (2100121121102), we get a palindrome (4111332331114).

The spelling of 2011211210012 in words is "two trillion, eleven billion, two hundred eleven million, two hundred ten thousand, twelve".