2012010112021 has 16 divisors (see below), whose sum is σ = 2506155329664. Its totient is φ = 1572740322624.

The previous prime is 2012010112019. The next prime is 2012010112037. The reversal of 2012010112021 is 1202110102102.

It is a cyclic number.

It is not a de Polignac number, because 2012010112021 - 2¹ = 2012010112019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 2012010111992 and 2012010112010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012010112921) 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, 133185226 + ... + 133200331.

It is an arithmetic number, because the mean of its divisors is an integer number (156634708104).

Almost surely, 2^{2012010112021} is an apocalyptic number.

It is an amenable number.

2012010112021 is a deficient number, since it is larger than the sum of its proper divisors (494145217643).

2012010112021 is a wasteful number, since it uses less digits than its factorization.

2012010112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266385660.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2012010112021 its reverse (1202110102102), we get a palindrome (3214120214123).

The spelling of 2012010112021 in words is "two trillion, twelve billion, ten million, one hundred twelve thousand, twenty-one".