101401443012 has 24 divisors (see below), whose sum is σ = 238774043200. Its totient is φ = 33490384416.

The previous prime is 101401443001. The next prime is 101401443019. The reversal of 101401443012 is 210344104101.

It is a self number, because there is not a number n which added to its sum of digits gives 101401443012.

It is not an unprimeable number, because it can be changed into a prime (101401443019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38760712 + ... + 38763327.

Almost surely, 2^101401443012 is an apocalyptic number.

101401443012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101401443012 is an abundant number, since it is smaller than the sum of its proper divisors (137372600188).

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

101401443012 is a wasteful number, since it uses less digits than its factorization.

101401443012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77524155 (or 77524153 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 101401443012 its reverse (210344104101), we get a palindrome (311745547113).

The spelling of 101401443012 in words is "one hundred one billion, four hundred one million, four hundred forty-three thousand, twelve".