101512312222412 has 192 divisors, whose sum is σ = 228917828321280. Its totient is φ = 38308512211200.

The previous prime is 101512312222411. The next prime is 101512312222427. The reversal of 101512312222412 is 214222213215101.

It is a happy number.

101512312222412 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (101512312222411) 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, 5975873783 + ... + 5975890769.

It is an arithmetic number, because the mean of its divisors is an integer number (1192280355840).

Almost surely, 2^{101512312222412} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101512312222412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114458914160640).

101512312222412 is an abundant number, since it is smaller than the sum of its proper divisors (127405516098868).

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

101512312222412 is a wasteful number, since it uses less digits than its factorization.

101512312222412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24572 (or 24570 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 101512312222412 its reverse (214222213215101), we get a palindrome (315734525437513).

The spelling of 101512312222412 in words is "one hundred one trillion, five hundred twelve billion, three hundred twelve million, two hundred twenty-two thousand, four hundred twelve".