10121231322 has 24 divisors (see below), whose sum is σ = 22074567840. Its totient is φ = 3351400200.

The previous prime is 10121231321. The next prime is 10121231357. The reversal of 10121231322 is 22313212101.

10121231322 is a `hidden beast` number, since 101 + 212 + 31 + 322 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 10121231295 and 10121231304.

It is not an unprimeable number, because it can be changed into a prime (10121231321) 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, 1859172 + ... + 1864607.

It is an arithmetic number, because the mean of its divisors is an integer number (919773660).

Almost surely, 2^10121231322 is an apocalyptic number.

10121231322 is an abundant number, since it is smaller than the sum of its proper divisors (11953336518).

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

10121231322 is a wasteful number, since it uses less digits than its factorization.

10121231322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3723938 (or 3723935 counting only the distinct ones).

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

Adding to 10121231322 its reverse (22313212101), we get a palindrome (32434443423).

The spelling of 10121231322 in words is "ten billion, one hundred twenty-one million, two hundred thirty-one thousand, three hundred twenty-two".