201120121012 has 24 divisors (see below), whose sum is σ = 353352085632. Its totient is φ = 100162860000.

The previous prime is 201120120991. The next prime is 201120121021. The reversal of 201120121012 is 210121021102.

It is a junction number, because it is equal to n+sod(n) for n = 201120120983 and 201120121001.

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, 1649137 + ... + 1766887.

It is an arithmetic number, because the mean of its divisors is an integer number (14723003568).

Almost surely, 2^201120121012 is an apocalyptic number.

It is an amenable number.

201120121012 is a deficient number, since it is larger than the sum of its proper divisors (152231964620).

201120121012 is a wasteful number, since it uses less digits than its factorization.

201120121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119439 (or 119437 counting only the distinct ones).

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

Adding to 201120121012 its reverse (210121021102), we get a palindrome (411241142114).

The spelling of 201120121012 in words is "two hundred one billion, one hundred twenty million, one hundred twenty-one thousand, twelve".