10212232145405 has 32 divisors (see below), whose sum is σ = 13220951847264. Its totient is φ = 7543794958336.

The previous prime is 10212232145393. The next prime is 10212232145459. The reversal of 10212232145405 is 50454123221201.

It can be written as a sum of positive squares in 16 ways, for example, as 2552068324 + 10209680077081 = 50518^2 + 3195259^2 .

It is a de Polignac number, because none of the positive numbers 2^k-10212232145405 is a prime.

It is a super-2 number, since 2×10212232145405² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152221949 + ... + 152289021.

It is an arithmetic number, because the mean of its divisors is an integer number (413154745227).

Almost surely, 2^{10212232145405} is an apocalyptic number.

It is an amenable number.

10212232145405 is a deficient number, since it is larger than the sum of its proper divisors (3008719701859).

10212232145405 is a wasteful number, since it uses less digits than its factorization.

10212232145405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100945.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 10212232145405 its reverse (50454123221201), we get a palindrome (60666355366606).

The spelling of 10212232145405 in words is "ten trillion, two hundred twelve billion, two hundred thirty-two million, one hundred forty-five thousand, four hundred five".