2001020010212 has 24 divisors (see below), whose sum is σ = 3539898595800. Its totient is φ = 989672391680.

The previous prime is 2001020010169. The next prime is 2001020010371. The reversal of 2001020010212 is 2120100201002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 555004140196 + 1446015870016 = 744986^2 + 1202504^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2001020010193 and 2001020010202.

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, 6343337 + ... + 6651312.

It is an arithmetic number, because the mean of its divisors is an integer number (147495774825).

Almost surely, 2^{2001020010212} is an apocalyptic number.

It is an amenable number.

2001020010212 is a deficient number, since it is larger than the sum of its proper divisors (1538878585588).

2001020010212 is a wasteful number, since it uses less digits than its factorization.

2001020010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12995071 (or 12995069 counting only the distinct ones).

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

Adding to 2001020010212 its reverse (2120100201002), we get a palindrome (4121120211214).

The spelling of 2001020010212 in words is "two trillion, one billion, twenty million, ten thousand, two hundred twelve".