20120211212010 has 128 divisors (see below), whose sum is σ = 59450440250880. Its totient is φ = 4243826912256.

The previous prime is 20120211211909. The next prime is 20120211212033. The reversal of 20120211212010 is 1021211202102.

It is a super-3 number, since 3×20120211212010³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7673944 + ... + 9956396.

It is an arithmetic number, because the mean of its divisors is an integer number (464456564460).

Almost surely, 2^{20120211212010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20120211212010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29725220125440).

20120211212010 is an abundant number, since it is smaller than the sum of its proper divisors (39330229038870).

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

20120211212010 is a wasteful number, since it uses less digits than its factorization.

20120211212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2285712.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20120211212010 its reverse (1021211202102), we get a palindrome (21141422414112).

The spelling of 20120211212010 in words is "twenty trillion, one hundred twenty billion, two hundred eleven million, two hundred twelve thousand, ten".