10201121020012 has 24 divisors (see below), whose sum is σ = 19225457863472. Its totient is φ = 4708144008000.

The previous prime is 10201121020003. The next prime is 10201121020063. The reversal of 10201121020012 is 21002012110201.

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 = 10201121019974 and 10201121020001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2498062 + ... + 5161642.

Almost surely, 2^{10201121020012} is an apocalyptic number.

It is an amenable number.

10201121020012 is a deficient number, since it is larger than the sum of its proper divisors (9024336843460).

10201121020012 is a wasteful number, since it uses less digits than its factorization.

10201121020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2737249 (or 2737247 counting only the distinct ones).

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

Adding to 10201121020012 its reverse (21002012110201), we get a palindrome (31203133130213).

The spelling of 10201121020012 in words is "ten trillion, two hundred one billion, one hundred twenty-one million, twenty thousand, twelve".