100012123112355 has 32 divisors (see below), whose sum is σ = 177829329600000. Its totient is φ = 53330799106656.

The previous prime is 100012123112353. The next prime is 100012123112401. The reversal of 100012123112355 is 553211321210001.

100012123112355 is a `hidden beast` number, since 100 + 0 + 1 + 2 + 12 + 311 + 235 + 5 = 666.

100012123112355 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 100012123112355 - 2¹ = 100012123112353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (100012123112353) 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, 61696105 + ... + 63296394.

It is an arithmetic number, because the mean of its divisors is an integer number (5557166550000).

Almost surely, 2^{100012123112355} is an apocalyptic number.

100012123112355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100012123112355 is a deficient number, since it is larger than the sum of its proper divisors (77817206487645).

100012123112355 is a wasteful number, since it uses less digits than its factorization.

100012123112355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124998440 (or 124998434 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

Adding to 100012123112355 its reverse (553211321210001), we get a palindrome (653223444322356).

The spelling of 100012123112355 in words is "one hundred trillion, twelve billion, one hundred twenty-three million, one hundred twelve thousand, three hundred fifty-five".