101212201211010 has 16 divisors (see below), whose sum is σ = 242909282906496. Its totient is φ = 26989920322928.

The previous prime is 101212201210997. The next prime is 101212201211027. The reversal of 101212201211010 is 10112102212101.

It is a happy number.

It is a super-2 number, since 2×101212201211010² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1686870020154 + ... + 1686870020213.

It is an arithmetic number, because the mean of its divisors is an integer number (15181830181656).

Almost surely, 2^{101212201211010} is an apocalyptic number.

101212201211010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101212201211010 is an abundant number, since it is smaller than the sum of its proper divisors (141697081695486).

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

101212201211010 is a wasteful number, since it uses less digits than its factorization.

101212201211010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3373740040377.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101212201211010 its reverse (10112102212101), we get a palindrome (111324303423111).

The spelling of 101212201211010 in words is "one hundred one trillion, two hundred twelve billion, two hundred one million, two hundred eleven thousand, ten".