212140304120450 has 96 divisors (see below), whose sum is σ = 418800560405760. Its totient is φ = 79671750681600.

The previous prime is 212140304120449. The next prime is 212140304120473. The reversal of 212140304120450 is 54021403041212.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5247210836 + ... + 5247251264.

It is an arithmetic number, because the mean of its divisors is an integer number (4362505837560).

Almost surely, 2^{212140304120450} is an apocalyptic number.

212140304120450 is a deficient number, since it is larger than the sum of its proper divisors (206660256285310).

212140304120450 is a wasteful number, since it uses less digits than its factorization.

212140304120450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55212 (or 55207 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 212140304120450 its reverse (54021403041212), we get a palindrome (266161707161662).

The spelling of 212140304120450 in words is "two hundred twelve trillion, one hundred forty billion, three hundred four million, one hundred twenty thousand, four hundred fifty".