10212220440500 has 48 divisors (see below), whose sum is σ = 24019142491344. Its totient is φ = 3770666006400.

The previous prime is 10212220440493. The next prime is 10212220440503. The reversal of 10212220440500 is 504402221201.

It can be written as a sum of positive squares in 8 ways, for example, as 6832013171344 + 3380207269156 = 2613812^2 + 1838534^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212220440503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 785548919 + ... + 785561918.

It is an arithmetic number, because the mean of its divisors is an integer number (500398801903).

Almost surely, 2^{10212220440500} is an apocalyptic number.

10212220440500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212220440500 is an abundant number, since it is smaller than the sum of its proper divisors (13806922050844).

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

10212220440500 is a wasteful number, since it uses less digits than its factorization.

10212220440500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571110869 (or 1571110857 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 10212220440500 its reverse (504402221201), we get a palindrome (10716622661701).

The spelling of 10212220440500 in words is "ten trillion, two hundred twelve billion, two hundred twenty million, four hundred forty thousand, five hundred".