4012203545 has 24 divisors (see below), whose sum is σ = 5684324544. Its totient is φ = 2710151136.

The previous prime is 4012203529. The next prime is 4012203553. The reversal of 4012203545 is 5453022104.

It is a happy number.

It is not a de Polignac number, because 4012203545 - 2⁴ = 4012203529 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105797 + ... + 138626.

It is an arithmetic number, because the mean of its divisors is an integer number (236846856).

Almost surely, 2^4012203545 is an apocalyptic number.

It is an amenable number.

4012203545 is a deficient number, since it is larger than the sum of its proper divisors (1672120999).

4012203545 is a wasteful number, since it uses less digits than its factorization.

4012203545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244509 (or 244502 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 4012203545 is about 63341.9572242601. The cubic root of 4012203545 is about 1589.0137397170.

Adding to 4012203545 its reverse (5453022104), we get a palindrome (9465225649).

The spelling of 4012203545 in words is "four billion, twelve million, two hundred three thousand, five hundred forty-five".