2212523401465 has 32 divisors (see below), whose sum is σ = 2944530086400. Its totient is φ = 1585839340800.

The previous prime is 2212523401423. The next prime is 2212523401481. The reversal of 2212523401465 is 5641043252122.

It is not a de Polignac number, because 2212523401465 - 2¹³ = 2212523393273 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3348486 + ... + 3954415.

It is an arithmetic number, because the mean of its divisors is an integer number (92016565200).

Almost surely, 2^{2212523401465} is an apocalyptic number.

It is an amenable number.

2212523401465 is a deficient number, since it is larger than the sum of its proper divisors (732006684935).

2212523401465 is a wasteful number, since it uses less digits than its factorization.

2212523401465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7303057.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 2212523401465 its reverse (5641043252122), we get a palindrome (7853566653587).

It can be divided in two parts, 22125 and 23401465, that added together give a triangular number (23423590 = T₆₈₄₄).

The spelling of 2212523401465 in words is "two trillion, two hundred twelve billion, five hundred twenty-three million, four hundred one thousand, four hundred sixty-five".