53100012 has 96 divisors (see below), whose sum is σ = 147879424. Its totient is φ = 14515200.

The previous prime is 53100007. The next prime is 53100017. The reversal of 53100012 is 21000135.

It is an interprime number because it is at equal distance from previous prime (53100007) and next prime (53100017).

It is a super-2 number, since 2×53100012² = 5639222548800288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (53100017) 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, 220212 + ... + 220452.

Almost surely, 2^53100012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53100012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73939712).

53100012 is an abundant number, since it is smaller than the sum of its proper divisors (94779412).

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

53100012 is a wasteful number, since it uses less digits than its factorization.

53100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 53100012 is about 7286.9755042816. The cubic root of 53100012 is about 375.8646996971.

Adding to 53100012 its reverse (21000135), we get a palindrome (74100147).

The spelling of 53100012 in words is "fifty-three million, one hundred thousand, twelve".