212301543040 has 64 divisors (see below), whose sum is σ = 507601251720. Its totient is φ = 84909260800.

The previous prime is 212301543007. The next prime is 212301543059. The reversal of 212301543040 is 40345103212.

It can be written as a sum of positive squares in 4 ways, for example, as 125945492544 + 86356050496 = 354888^2 + 293864^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 212301542996 and 212301543014.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6076020 + ... + 6110860.

Almost surely, 2^212301543040 is an apocalyptic number.

212301543040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212301543040 is an abundant number, since it is smaller than the sum of its proper divisors (295299708680).

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

212301543040 is an equidigital number, since it uses as much as digits as its factorization.

212301543040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44381 (or 44369 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 212301543040 its reverse (40345103212), we get a palindrome (252646646252).

The spelling of 212301543040 in words is "two hundred twelve billion, three hundred one million, five hundred forty-three thousand, forty".