201553012 has 6 divisors (see below), whose sum is σ = 352717778. Its totient is φ = 100776504.

The previous prime is 201552983. The next prime is 201553013. The reversal of 201553012 is 210355102.

201553012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 153611236 + 47941776 = 12394^2 + 6924^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201553013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25194123 + ... + 25194130.

Almost surely, 2^201553012 is an apocalyptic number.

It is an amenable number.

201553012 is a deficient number, since it is larger than the sum of its proper divisors (151164766).

201553012 is a wasteful number, since it uses less digits than its factorization.

201553012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50388257 (or 50388255 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 201553012 is about 14196.9367118403. The cubic root of 201553012 is about 586.3133247351.

The spelling of 201553012 in words is "two hundred one million, five hundred fifty-three thousand, twelve".