2311204224212 has 48 divisors (see below), whose sum is σ = 4483006399872. Its totient is φ = 1035988652160.

The previous prime is 2311204224127. The next prime is 2311204224233. The reversal of 2311204224212 is 2124224021132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4424303 + ... + 4919030.

It is an arithmetic number, because the mean of its divisors is an integer number (93395966664).

Almost surely, 2^{2311204224212} is an apocalyptic number.

It is an amenable number.

2311204224212 is a deficient number, since it is larger than the sum of its proper divisors (2171802175660).

2311204224212 is a wasteful number, since it uses less digits than its factorization.

2311204224212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9343488 (or 9343486 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 2311204224212 its reverse (2124224021132), we get a palindrome (4435428245344).

The spelling of 2311204224212 in words is "two trillion, three hundred eleven billion, two hundred four million, two hundred twenty-four thousand, two hundred twelve".