100021201201012 has 48 divisors (see below), whose sum is σ = 216191517469312. Its totient is φ = 39429007632000.

The previous prime is 100021201201001. The next prime is 100021201201049. The reversal of 100021201201012 is 210102102120001.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 100021201200983 and 100021201201001.

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, 485380239 + ... + 485586262.

Almost surely, 2^{100021201201012} is an apocalyptic number.

It is an amenable number.

100021201201012 is an abundant number, since it is smaller than the sum of its proper divisors (116170316268300).

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

100021201201012 is a wasteful number, since it uses less digits than its factorization.

100021201201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970966808 (or 970966806 counting only the distinct ones).

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

Adding to 100021201201012 its reverse (210102102120001), we get a palindrome (310123303321013).

The spelling of 100021201201012 in words is "one hundred trillion, twenty-one billion, two hundred one million, two hundred one thousand, twelve".