212420042311310 has 32 divisors (see below), whose sum is σ = 392692842776160. Its totient is φ = 82670990643072.

The previous prime is 212420042311297. The next prime is 212420042311313. The reversal of 212420042311310 is 13113240024212.

It is a happy number.

It is a super-2 number, since 2×212420042311310² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212420042311310.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212420042311313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51432032 + ... + 55408428.

It is an arithmetic number, because the mean of its divisors is an integer number (12271651336755).

Almost surely, 2^{212420042311310} is an apocalyptic number.

212420042311310 is a deficient number, since it is larger than the sum of its proper divisors (180272800464850).

212420042311310 is a wasteful number, since it uses less digits than its factorization.

212420042311310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4120820.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 212420042311310 its reverse (13113240024212), we get a palindrome (225533282335522).

The spelling of 212420042311310 in words is "two hundred twelve trillion, four hundred twenty billion, forty-two million, three hundred eleven thousand, three hundred ten".