201001023012 has 12 divisors (see below), whose sum is σ = 469002387056. Its totient is φ = 67000341000.

The previous prime is 201001022993. The next prime is 201001023019. The reversal of 201001023012 is 210320100102.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×201001023012² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 16750085251 = 201001023012 / (2 + 0 + 1 + 0 + 0 + 1 + 0 + 2 + 3 + 0 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (201001023019) 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 in 3 ways as a sum of consecutive naturals, for example, 8375042614 + ... + 8375042637.

Almost surely, 2^201001023012 is an apocalyptic number.

It is an amenable number.

201001023012 is an abundant number, since it is smaller than the sum of its proper divisors (268001364044).

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

201001023012 is a wasteful number, since it uses less digits than its factorization.

201001023012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16750085258 (or 16750085256 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 201001023012 its reverse (210320100102), we get a palindrome (411321123114).

The spelling of 201001023012 in words is "two hundred one billion, one million, twenty-three thousand, twelve".