12101012322 has 64 divisors (see below), whose sum is σ = 28439728128. Its totient is φ = 3360528000.

The previous prime is 12101012299. The next prime is 12101012327. The reversal of 12101012322 is 22321010121.

It is not an unprimeable number, because it can be changed into a prime (12101012327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 453697 + ... + 479627.

It is an arithmetic number, because the mean of its divisors is an integer number (444370752).

Almost surely, 2^12101012322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12101012322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14219864064).

12101012322 is an abundant number, since it is smaller than the sum of its proper divisors (16338715806).

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

12101012322 is a wasteful number, since it uses less digits than its factorization.

12101012322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26255.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12101012322 its reverse (22321010121), we get a palindrome (34422022443).

The spelling of 12101012322 in words is "twelve billion, one hundred one million, twelve thousand, three hundred twenty-two".