100000012121012 has 12 divisors (see below), whose sum is σ = 175000117997376. Its totient is φ = 49999978407480.

The previous prime is 100000012120993. The next prime is 100000012121029. The reversal of 100000012121012 is 210121210000001.

It is a junction number, because it is equal to n+sod(n) for n = 100000012120984 and 100000012121002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2712437 + ... + 14399907.

It is an arithmetic number, because the mean of its divisors is an integer number (14583343166448).

Almost surely, 2^{100000012121012} is an apocalyptic number.

It is an amenable number.

100000012121012 is a deficient number, since it is larger than the sum of its proper divisors (75000105876364).

100000012121012 is a wasteful number, since it uses less digits than its factorization.

100000012121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13826518 (or 13826516 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100000012121012 its reverse (210121210000001), we get a palindrome (310121222121013).

The spelling of 100000012121012 in words is "one hundred trillion, twelve million, one hundred twenty-one thousand, twelve".