212233240100440 has 96 divisors (see below), whose sum is σ = 539564929305120. Its totient is φ = 74955953639424.

The previous prime is 212233240100393. The next prime is 212233240100501. The reversal of 212233240100440 is 44001042332212.

It is a super-2 number, since 2×212233240100440² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212233240100399 and 212233240100408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 682354297 + ... + 682665256.

It is an arithmetic number, because the mean of its divisors is an integer number (5620468013595).

Almost surely, 2^{212233240100440} is an apocalyptic number.

212233240100440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212233240100440 is an abundant number, since it is smaller than the sum of its proper divisors (327331689204680).

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

212233240100440 is a wasteful number, since it uses less digits than its factorization.

212233240100440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365019613 (or 1365019596 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 212233240100440 its reverse (44001042332212), we get a palindrome (256234282432652).

The spelling of 212233240100440 in words is "two hundred twelve trillion, two hundred thirty-three billion, two hundred forty million, one hundred thousand, four hundred forty".