10101212211240 has 96 divisors (see below), whose sum is σ = 34556778640800. Its totient is φ = 2551885188480.

The previous prime is 10101212211239. The next prime is 10101212211271. The reversal of 10101212211240 is 4211221210101.

10101212211240 is a `hidden beast` number, since 1 + 0 + 1 + 0 + 1 + 212 + 211 + 240 = 666.

10101212211240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 738385866 + ... + 738399545.

It is an arithmetic number, because the mean of its divisors is an integer number (359966444175).

Almost surely, 2^{10101212211240} is an apocalyptic number.

10101212211240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10101212211240 is an abundant number, since it is smaller than the sum of its proper divisors (24455566429560).

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

10101212211240 is a wasteful number, since it uses less digits than its factorization.

10101212211240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476785447 (or 1476785440 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 10101212211240 its reverse (4211221210101), we get a palindrome (14312433421341).

The spelling of 10101212211240 in words is "ten trillion, one hundred one billion, two hundred twelve million, two hundred eleven thousand, two hundred forty".