212535315351451 has 4 divisors (see below), whose sum is σ = 212540538288352. Its totient is φ = 212530092414552.

The previous prime is 212535315351409. The next prime is 212535315351461. The reversal of 212535315351451 is 154153513535212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212535315351451 - 2³⁵ = 212500955613083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212535315351461) 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, 2611407411 + ... + 2611488796.

It is an arithmetic number, because the mean of its divisors is an integer number (53135134572088).

Almost surely, 2^{212535315351451} is an apocalyptic number.

212535315351451 is a deficient number, since it is larger than the sum of its proper divisors (5222936901).

212535315351451 is an equidigital number, since it uses as much as digits as its factorization.

212535315351451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5222936900.

The product of its digits is 1350000, while the sum is 46.

Adding to 212535315351451 its reverse (154153513535212), we get a palindrome (366688828886663).

The spelling of 212535315351451 in words is "two hundred twelve trillion, five hundred thirty-five billion, three hundred fifteen million, three hundred fifty-one thousand, four hundred fifty-one".