10211212011220 has 24 divisors (see below), whose sum is σ = 23392958426208. Its totient is φ = 3713168004000.

The previous prime is 10211212011163. The next prime is 10211212011229. The reversal of 10211212011220 is 2211021211201.

10211212011220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10211212011194 and 10211212011203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211212011229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23207299806 + ... + 23207300245.

It is an arithmetic number, because the mean of its divisors is an integer number (974706601092).

Almost surely, 2^{10211212011220} is an apocalyptic number.

10211212011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10211212011220 is an abundant number, since it is smaller than the sum of its proper divisors (13181746414988).

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

10211212011220 is a wasteful number, since it uses less digits than its factorization.

10211212011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46414600071 (or 46414600069 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10211212011220 its reverse (2211021211201), we get a palindrome (12422233222421).

The spelling of 10211212011220 in words is "ten trillion, two hundred eleven billion, two hundred twelve million, eleven thousand, two hundred twenty".