2021011210012 has 24 divisors (see below), whose sum is σ = 3538910869200. Its totient is φ = 1009893951360.

The previous prime is 2021011210003. The next prime is 2021011210109. The reversal of 2021011210012 is 2100121101202.

It is a junction number, because it is equal to n+sod(n) for n = 2021011209974 and 2021011210001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127283818 + ... + 127299694.

It is an arithmetic number, because the mean of its divisors is an integer number (147454619550).

Almost surely, 2^{2021011210012} is an apocalyptic number.

It is an amenable number.

2021011210012 is a deficient number, since it is larger than the sum of its proper divisors (1517899659188).

2021011210012 is a wasteful number, since it uses less digits than its factorization.

2021011210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33141 (or 33139 counting only the distinct ones).

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

Adding to 2021011210012 its reverse (2100121101202), we get a palindrome (4121132311214).

The spelling of 2021011210012 in words is "two trillion, twenty-one billion, eleven million, two hundred ten thousand, twelve".