2021000120012 has 12 divisors (see below), whose sum is σ = 3539187677256. Its totient is φ = 1009803640800.

The previous prime is 2021000119981. The next prime is 2021000120093. The reversal of 2021000120012 is 2100210001202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2021000119975 and 2021000120002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174098273 + ... + 174109880.

It is an arithmetic number, because the mean of its divisors is an integer number (294932306438).

Almost surely, 2^{2021000120012} is an apocalyptic number.

It is an amenable number.

2021000120012 is a deficient number, since it is larger than the sum of its proper divisors (1518187557244).

2021000120012 is a wasteful number, since it uses less digits than its factorization.

2021000120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348209608 (or 348209606 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2021000120012 its reverse (2100210001202), we get a palindrome (4121210121214).

The spelling of 2021000120012 in words is "two trillion, twenty-one billion, one hundred twenty thousand, twelve".