100010100121212 has 24 divisors (see below), whose sum is σ = 233357768453376. Its totient is φ = 33336576016048.

The previous prime is 100010100121189. The next prime is 100010100121223. The reversal of 100010100121212 is 212121001010001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12113508 + ... + 18621419.

It is an arithmetic number, because the mean of its divisors is an integer number (9723240352224).

Almost surely, 2^{100010100121212} is an apocalyptic number.

100010100121212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100010100121212 is an abundant number, since it is smaller than the sum of its proper divisors (133347668332164).

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

100010100121212 is a wasteful number, since it uses less digits than its factorization.

100010100121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31006097 (or 31006095 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100010100121212 its reverse (212121001010001), we get a palindrome (312131101131213).

The spelling of 100010100121212 in words is "one hundred trillion, ten billion, one hundred million, one hundred twenty-one thousand, two hundred twelve".