212303510445 has 32 divisors (see below), whose sum is σ = 378429609600. Its totient is φ = 100914557184.

The previous prime is 212303510371. The next prime is 212303510527. The reversal of 212303510445 is 544015303212.

It is not a de Polignac number, because 212303510445 - 2⁸ = 212303510189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18765655 + ... + 18776964.

It is an arithmetic number, because the mean of its divisors is an integer number (11825925300).

Almost surely, 2^212303510445 is an apocalyptic number.

It is an amenable number.

212303510445 is a deficient number, since it is larger than the sum of its proper divisors (166126099155).

212303510445 is a wasteful number, since it uses less digits than its factorization.

212303510445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37542669.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 212303510445 its reverse (544015303212), we get a palindrome (756318813657).

The spelling of 212303510445 in words is "two hundred twelve billion, three hundred three million, five hundred ten thousand, four hundred forty-five".