2012111212210 has 32 divisors (see below), whose sum is σ = 4010025724992. Its totient is φ = 720756252480.

The previous prime is 2012111212159. The next prime is 2012111212213. The reversal of 2012111212210 is 122121112102.

It is not an unprimeable number, because it can be changed into a prime (2012111212213) 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, 136499497 + ... + 136514236.

It is an arithmetic number, because the mean of its divisors is an integer number (125313303906).

Almost surely, 2^{2012111212210} is an apocalyptic number.

2012111212210 is a deficient number, since it is larger than the sum of its proper divisors (1997914512782).

2012111212210 is a wasteful number, since it uses less digits than its factorization.

2012111212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273013818.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2012111212210 its reverse (122121112102), we get a palindrome (2134232324312).

The spelling of 2012111212210 in words is "two trillion, twelve billion, one hundred eleven million, two hundred twelve thousand, two hundred ten".