20010212101210 has 32 divisors (see below), whose sum is σ = 36123325823232. Its totient is φ = 7980779822400.

The previous prime is 20010212101199. The next prime is 20010212101261. The reversal of 20010212101210 is 1210121201002.

It is a super-2 number, since 2×20010212101210² (a number of 27 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 9104685 + ... + 11086735.

It is an arithmetic number, because the mean of its divisors is an integer number (1128853931976).

Almost surely, 2^{20010212101210} is an apocalyptic number.

20010212101210 is a deficient number, since it is larger than the sum of its proper divisors (16113113722022).

20010212101210 is a wasteful number, since it uses less digits than its factorization.

20010212101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984998.

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

Adding to 20010212101210 its reverse (1210121201002), we get a palindrome (21220333302212).

The spelling of 20010212101210 in words is "twenty trillion, ten billion, two hundred twelve million, one hundred one thousand, two hundred ten".