20121441210 has 96 divisors (see below), whose sum is σ = 58789680768. Its totient is φ = 4737617280.

The previous prime is 20121441169. The next prime is 20121441253. The reversal of 20121441210 is 1214412102.

20121441210 is a `hidden beast` number, since 2 + 0 + 12 + 1 + 441 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 346956 + ... + 400775.

It is an arithmetic number, because the mean of its divisors is an integer number (612392508).

Almost surely, 2^20121441210 is an apocalyptic number.

20121441210 is an abundant number, since it is smaller than the sum of its proper divisors (38668239558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20121441210 is a wasteful number, since it uses less digits than its factorization.

20121441210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747780 (or 747777 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20121441210 its reverse (1214412102), we get a palindrome (21335853312).

The spelling of 20121441210 in words is "twenty billion, one hundred twenty-one million, four hundred forty-one thousand, two hundred ten".