201543552212 has 6 divisors (see below), whose sum is σ = 352701216378. Its totient is φ = 100771776104.

The previous prime is 201543552211. The next prime is 201543552233. The reversal of 201543552212 is 212255345102.

It can be written as a sum of positive squares in only one way, i.e., 160701567376 + 40841984836 = 400876^2 + 202094^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201543552211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25192944023 + ... + 25192944030.

It is an arithmetic number, because the mean of its divisors is an integer number (58783536063).

Almost surely, 2^201543552212 is an apocalyptic number.

It is an amenable number.

201543552212 is a deficient number, since it is larger than the sum of its proper divisors (151157664166).

201543552212 is a wasteful number, since it uses less digits than its factorization.

201543552212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50385888057 (or 50385888055 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 201543552212 its reverse (212255345102), we get a palindrome (413798897314).

The spelling of 201543552212 in words is "two hundred one billion, five hundred forty-three million, five hundred fifty-two thousand, two hundred twelve".