201012112120 has 32 divisors (see below), whose sum is σ = 452442503520. Its totient is φ = 80375466880.

The previous prime is 201012112061. The next prime is 201012112123. The reversal of 201012112120 is 21211210102.

It is a super-3 number, since 3×201012112120³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201012112120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201012112123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 807052 + ... + 1026331.

It is an arithmetic number, because the mean of its divisors is an integer number (14138828235).

Almost surely, 2^201012112120 is an apocalyptic number.

201012112120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201012112120 is an abundant number, since it is smaller than the sum of its proper divisors (251430391400).

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

201012112120 is a wasteful number, since it uses less digits than its factorization.

201012112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836135 (or 1836131 counting only the distinct ones).

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

Adding to 201012112120 its reverse (21211210102), we get a palindrome (222223322222).

The spelling of 201012112120 in words is "two hundred one billion, twelve million, one hundred twelve thousand, one hundred twenty".