212042453510 has 32 divisors (see below), whose sum is σ = 393058828800. Its totient is φ = 82323951840.

The previous prime is 212042453501. The next prime is 212042453537. The reversal of 212042453510 is 15354240212.

It is a super-2 number, since 2×212042453510² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2228036 + ... + 2321255.

It is an arithmetic number, because the mean of its divisors is an integer number (12283088400).

Almost surely, 2^212042453510 is an apocalyptic number.

212042453510 is a deficient number, since it is larger than the sum of its proper divisors (181016375290).

212042453510 is a wasteful number, since it uses less digits than its factorization.

212042453510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4549436.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 212042453510 its reverse (15354240212), we get a palindrome (227396693722).

The spelling of 212042453510 in words is "two hundred twelve billion, forty-two million, four hundred fifty-three thousand, five hundred ten".