100000101121212 has 48 divisors (see below), whose sum is σ = 233816948583680. Its totient is φ = 33264315349632.

The previous prime is 100000101121171. The next prime is 100000101121231. The reversal of 100000101121212 is 212121101000001.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 416305839 + ... + 416545977.

Almost surely, 2^{100000101121212} is an apocalyptic number.

100000101121212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100000101121212 is an abundant number, since it is smaller than the sum of its proper divisors (133816847462468).

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

100000101121212 is a wasteful number, since it uses less digits than its factorization.

100000101121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311890 (or 311888 counting only the distinct ones).

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

Adding to 100000101121212 its reverse (212121101000001), we get a palindrome (312121202121213).

The spelling of 100000101121212 in words is "one hundred trillion, one hundred one million, one hundred twenty-one thousand, two hundred twelve".