312212202311030 has 32 divisors (see below), whose sum is σ = 642350182478400. Its totient is φ = 107030003552640.

The previous prime is 312212202310919. The next prime is 312212202311039. The reversal of 312212202311030 is 30113202212213.

It is a junction number, because it is equal to n+sod(n) for n = 312212202310987 and 312212202311005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312212202311039) 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, 294886481 + ... + 295943340.

It is an arithmetic number, because the mean of its divisors is an integer number (20073443202450).

Almost surely, 2^{312212202311030} is an apocalyptic number.

312212202311030 is an abundant number, since it is smaller than the sum of its proper divisors (330137980167370).

312212202311030 is a wasteful number, since it uses less digits than its factorization.

312212202311030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590837384.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 312212202311030 its reverse (30113202212213), we get a palindrome (342325404523243).

The spelling of 312212202311030 in words is "three hundred twelve trillion, two hundred twelve billion, two hundred two million, three hundred eleven thousand, thirty".