103212030045 has 32 divisors (see below), whose sum is σ = 174918804480. Its totient is φ = 51788989440.

The previous prime is 103212030043. The next prime is 103212030083. The reversal of 103212030045 is 540030212301.

It is not a de Polignac number, because 103212030045 - 2¹ = 103212030043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103212030043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 618915 + ... + 767775.

It is an arithmetic number, because the mean of its divisors is an integer number (5466212640).

Almost surely, 2^103212030045 is an apocalyptic number.

103212030045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103212030045 is a deficient number, since it is larger than the sum of its proper divisors (71706774435).

103212030045 is a wasteful number, since it uses less digits than its factorization.

103212030045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151605.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 103212030045 its reverse (540030212301), we get a palindrome (643242242346).

The spelling of 103212030045 in words is "one hundred three billion, two hundred twelve million, thirty thousand, forty-five".