2012203526465 has 16 divisors (see below), whose sum is σ = 2637618840576. Its totient is φ = 1461497692800.

The previous prime is 2012203526419. The next prime is 2012203526479. The reversal of 2012203526465 is 5646253022102.

It is not a de Polignac number, because 2012203526465 - 2⁸ = 2012203526209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23995937 + ... + 24079646.

It is an arithmetic number, because the mean of its divisors is an integer number (164851177536).

Almost surely, 2^{2012203526465} is an apocalyptic number.

It is an amenable number.

2012203526465 is a deficient number, since it is larger than the sum of its proper divisors (625415314111).

2012203526465 is a wasteful number, since it uses less digits than its factorization.

2012203526465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48076360.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 2012203526465 its reverse (5646253022102), we get a palindrome (7658456548567).

The spelling of 2012203526465 in words is "two trillion, twelve billion, two hundred three million, five hundred twenty-six thousand, four hundred sixty-five".