212232210040 has 16 divisors (see below), whose sum is σ = 477522472680. Its totient is φ = 84892884000.

The previous prime is 212232209963. The next prime is 212232210041. The reversal of 212232210040 is 40012232212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212232210041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2652902586 + ... + 2652902665.

Almost surely, 2^212232210040 is an apocalyptic number.

212232210040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212232210040 is an abundant number, since it is smaller than the sum of its proper divisors (265290262640).

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

212232210040 is a wasteful number, since it uses less digits than its factorization.

212232210040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5305805262 (or 5305805258 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 212232210040 its reverse (40012232212), we get a palindrome (252244442252).

The spelling of 212232210040 in words is "two hundred twelve billion, two hundred thirty-two million, two hundred ten thousand, forty".