20210012221210 has 64 divisors (see below), whose sum is σ = 41795241062400. Its totient is φ = 6892425262080.

The previous prime is 20210012221187. The next prime is 20210012221241. The reversal of 20210012221210 is 1212221001202.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 259566366 + ... + 259644214.

It is an arithmetic number, because the mean of its divisors is an integer number (653050641600).

Almost surely, 2^{20210012221210} is an apocalyptic number.

20210012221210 is an abundant number, since it is smaller than the sum of its proper divisors (21585228841190).

20210012221210 is a wasteful number, since it uses less digits than its factorization.

20210012221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97471.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20210012221210 its reverse (1212221001202), we get a palindrome (21422233222412).

The spelling of 20210012221210 in words is "twenty trillion, two hundred ten billion, twelve million, two hundred twenty-one thousand, two hundred ten".