100021201001212 has 24 divisors (see below), whose sum is σ = 177911473686912. Its totient is φ = 49189396641600.

The previous prime is 100021201001209. The next prime is 100021201001243. The reversal of 100021201001212 is 212100102120001.

It is a junction number, because it is equal to n+sod(n) for n = 100021201001192 and 100021201001201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3227253 + ... + 14507155.

It is an arithmetic number, because the mean of its divisors is an integer number (7412978070288).

Almost surely, 2^{100021201001212} is an apocalyptic number.

It is an amenable number.

100021201001212 is a deficient number, since it is larger than the sum of its proper divisors (77890272685700).

100021201001212 is a wasteful number, since it uses less digits than its factorization.

100021201001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11316309 (or 11316307 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100021201001212 its reverse (212100102120001), we get a palindrome (312121303121213).

The spelling of 100021201001212 in words is "one hundred trillion, twenty-one billion, two hundred one million, one thousand, two hundred twelve".