101212163560 has 64 divisors (see below), whose sum is σ = 247639997520. Its totient is φ = 37073571840.

The previous prime is 101212163497. The next prime is 101212163561. The reversal of 101212163560 is 65361212101.

It can be written as a sum of positive squares in 8 ways, for example, as 66305220004 + 34906943556 = 257498^2 + 186834^2 .

It is not an unprimeable number, because it can be changed into a prime (101212163561) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1986211 + ... + 2036530.

Almost surely, 2^101212163560 is an apocalyptic number.

101212163560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101212163560 is an abundant number, since it is smaller than the sum of its proper divisors (146427833960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101212163560 is a wasteful number, since it uses less digits than its factorization.

101212163560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4022806 (or 4022802 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 101212163560 its reverse (65361212101), we get a palindrome (166573375661).

The spelling of 101212163560 in words is "one hundred one billion, two hundred twelve million, one hundred sixty-three thousand, five hundred sixty".