12451504061 has 24 divisors (see below), whose sum is σ = 13926540600. Its totient is φ = 11111224320.

The previous prime is 12451504049. The next prime is 12451504073. The reversal of 12451504061 is 16040515421.

It is an interprime number because it is at equal distance from previous prime (12451504049) and next prime (12451504073).

It can be written as a sum of positive squares in 4 ways, for example, as 101404900 + 12350099161 = 10070^2 + 111131^2 .

It is not a de Polignac number, because 12451504061 - 2¹⁴ = 12451487677 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12451504081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 414725 + ... + 443733.

It is an arithmetic number, because the mean of its divisors is an integer number (580272525).

Almost surely, 2^12451504061 is an apocalyptic number.

It is an amenable number.

12451504061 is a deficient number, since it is larger than the sum of its proper divisors (1475036539).

12451504061 is a wasteful number, since it uses less digits than its factorization.

12451504061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29117 (or 29098 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The spelling of 12451504061 in words is "twelve billion, four hundred fifty-one million, five hundred four thousand, sixty-one".