103212213020 has 24 divisors (see below), whose sum is σ = 247709311584. Its totient is φ = 35387044416.

The previous prime is 103212213019. The next prime is 103212213103. The reversal of 103212213020 is 20312212301.

It is a self number, because there is not a number n which added to its sum of digits gives 103212213020.

It is a congruent number.

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, 368614907 + ... + 368615186.

It is an arithmetic number, because the mean of its divisors is an integer number (10321221316).

Almost surely, 2^103212213020 is an apocalyptic number.

103212213020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103212213020 is an abundant number, since it is smaller than the sum of its proper divisors (144497098564).

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

103212213020 is a wasteful number, since it uses less digits than its factorization.

103212213020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737230109 (or 737230107 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 103212213020 its reverse (20312212301), we get a palindrome (123524425321).

The spelling of 103212213020 in words is "one hundred three billion, two hundred twelve million, two hundred thirteen thousand, twenty".