2221031010312 has 48 divisors (see below), whose sum is σ = 6015786192000. Its totient is φ = 740282885856.

The previous prime is 2221031010311. The next prime is 2221031010353. The reversal of 2221031010312 is 2130101301222.

2221031010312 is a `hidden beast` number, since 2 + 22 + 10 + 310 + 10 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2221031010311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 379012 + ... + 2141427.

It is an arithmetic number, because the mean of its divisors is an integer number (125328879000).

Almost surely, 2^{2221031010312} is an apocalyptic number.

It is an amenable number.

2221031010312 is an abundant number, since it is smaller than the sum of its proper divisors (3794755181688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221031010312 is a wasteful number, since it uses less digits than its factorization.

2221031010312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532690 (or 2532683 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2221031010312 its reverse (2130101301222), we get a palindrome (4351132311534).

The spelling of 2221031010312 in words is "two trillion, two hundred twenty-one billion, thirty-one million, ten thousand, three hundred twelve".