100122201001212 has 96 divisors (see below), whose sum is σ = 252022593521664. Its totient is φ = 30753795072000.

The previous prime is 100122201001187. The next prime is 100122201001219. The reversal of 100122201001212 is 212100102221001.

It is a junction number, because it is equal to n+sod(n) for n = 100122201001191 and 100122201001200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100122201001219) 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, 228161212 + ... + 228599612.

It is an arithmetic number, because the mean of its divisors is an integer number (2625235349184).

Almost surely, 2^{100122201001212} is an apocalyptic number.

100122201001212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100122201001212 is an abundant number, since it is smaller than the sum of its proper divisors (151900392520452).

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

100122201001212 is a wasteful number, since it uses less digits than its factorization.

100122201001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440939 (or 440937 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100122201001212 its reverse (212100102221001), we get a palindrome (312222303222213).

The spelling of 100122201001212 in words is "one hundred trillion, one hundred twenty-two billion, two hundred one million, one thousand, two hundred twelve".