212144110402 has 64 divisors (see below), whose sum is σ = 386307717120. Its totient is φ = 85410775296.

The previous prime is 212144110397. The next prime is 212144110403. The reversal of 212144110402 is 204011441212.

It is not an unprimeable number, because it can be changed into a prime (212144110403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7255849 + ... + 7285027.

It is an arithmetic number, because the mean of its divisors is an integer number (6036058080).

Almost surely, 2^212144110402 is an apocalyptic number.

212144110402 is a deficient number, since it is larger than the sum of its proper divisors (174163606718).

212144110402 is a wasteful number, since it uses less digits than its factorization.

212144110402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29615.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 212144110402 its reverse (204011441212), we get a palindrome (416155551614).

The spelling of 212144110402 in words is "two hundred twelve billion, one hundred forty-four million, one hundred ten thousand, four hundred two".