201043012 has 6 divisors (see below), whose sum is σ = 351825278. Its totient is φ = 100521504.

The previous prime is 201042997. The next prime is 201043021. The reversal of 201043012 is 210340102.

It can be written as a sum of positive squares in only one way, i.e., 191158276 + 9884736 = 13826^2 + 3144^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201042983 and 201043001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25130373 + ... + 25130380.

Almost surely, 2^201043012 is an apocalyptic number.

It is an amenable number.

201043012 is a deficient number, since it is larger than the sum of its proper divisors (150782266).

201043012 is a wasteful number, since it uses less digits than its factorization.

201043012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50260757 (or 50260755 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 201043012 is about 14178.9637138967. The cubic root of 201043012 is about 585.8183807396.

Adding to 201043012 its reverse (210340102), we get a palindrome (411383114).

The spelling of 201043012 in words is "two hundred one million, forty-three thousand, twelve".