103212143021040 has 40 divisors (see below), whose sum is σ = 319957643365968. Its totient is φ = 27523238138880.

The previous prime is 103212143021021. The next prime is 103212143021087. The reversal of 103212143021040 is 40120341212301.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 103212143021040.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215025297721 + ... + 215025298200.

Almost surely, 2^{103212143021040} is an apocalyptic number.

103212143021040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103212143021040 is an abundant number, since it is smaller than the sum of its proper divisors (216745500344928).

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

103212143021040 is a wasteful number, since it uses less digits than its factorization.

103212143021040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430050595937 (or 430050595931 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 103212143021040 its reverse (40120341212301), we get a palindrome (143332484233341).

The spelling of 103212143021040 in words is "one hundred three trillion, two hundred twelve billion, one hundred forty-three million, twenty-one thousand, forty".