212453143510 has 16 divisors (see below), whose sum is σ = 394751647872. Its totient is φ = 82239926400.

The previous prime is 212453143501. The next prime is 212453143517. The reversal of 212453143510 is 15341354212.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212453143517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342666051 + ... + 342666670.

It is an arithmetic number, because the mean of its divisors is an integer number (24671977992).

Almost surely, 2^212453143510 is an apocalyptic number.

212453143510 is a deficient number, since it is larger than the sum of its proper divisors (182298504362).

212453143510 is a wasteful number, since it uses less digits than its factorization.

212453143510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685332759.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 212453143510 its reverse (15341354212), we get a palindrome (227794497722).

The spelling of 212453143510 in words is "two hundred twelve billion, four hundred fifty-three million, one hundred forty-three thousand, five hundred ten".