20012201001112 has 8 divisors (see below), whose sum is σ = 37522876877100. Its totient is φ = 10006100500552.

The previous prime is 20012201001073. The next prime is 20012201001113. The reversal of 20012201001112 is 21110010221002.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 20012201001092 and 20012201001101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012201001113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250762562562 + ... + 1250762562577.

Almost surely, 2^{20012201001112} is an apocalyptic number.

It is an amenable number.

20012201001112 is a deficient number, since it is larger than the sum of its proper divisors (17510675875988).

20012201001112 is a wasteful number, since it uses less digits than its factorization.

20012201001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501525125145 (or 2501525125141 counting only the distinct ones).

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

Adding to 20012201001112 its reverse (21110010221002), we get a palindrome (41122211222114).

The spelling of 20012201001112 in words is "twenty trillion, twelve billion, two hundred one million, one thousand, one hundred twelve".