10122312312 has 256 divisors, whose sum is σ = 34214400000. Its totient is φ = 2706794496.

The previous prime is 10122312311. The next prime is 10122312341. The reversal of 10122312312 is 21321322101.

It is a super-2 number, since 2×10122312312² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122312311) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5062689 + ... + 5064687.

It is an arithmetic number, because the mean of its divisors is an integer number (133650000).

Almost surely, 2^10122312312 is an apocalyptic number.

10122312312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10122312312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17107200000).

10122312312 is an abundant number, since it is smaller than the sum of its proper divisors (24092087688).

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

10122312312 is a wasteful number, since it uses less digits than its factorization.

10122312312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235 (or 2225 counting only the distinct ones).

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

Adding to 10122312312 its reverse (21321322101), we get a palindrome (31443634413).

The spelling of 10122312312 in words is "ten billion, one hundred twenty-two million, three hundred twelve thousand, three hundred twelve".