2012211021012 has 48 divisors (see below), whose sum is σ = 4716070273152. Its totient is φ = 667755172480.

The previous prime is 2012211020993. The next prime is 2012211021017. The reversal of 2012211021012 is 2101201122102.

It is a junction number, because it is equal to n+sod(n) for n = 2012211020982 and 2012211021000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012211021017) 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, 2598337 + ... + 3282647.

It is an arithmetic number, because the mean of its divisors is an integer number (98251464024).

Almost surely, 2^{2012211021012} is an apocalyptic number.

It is an amenable number.

2012211021012 is an abundant number, since it is smaller than the sum of its proper divisors (2703859252140).

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

2012211021012 is a wasteful number, since it uses less digits than its factorization.

2012211021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685408 (or 685406 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2012211021012 its reverse (2101201122102), we get a palindrome (4113412143114).

The spelling of 2012211021012 in words is "two trillion, twelve billion, two hundred eleven million, twenty-one thousand, twelve".