1012554530540 has 96 divisors (see below), whose sum is σ = 2489816845824. Its totient is φ = 338655582720.

The previous prime is 1012554530489. The next prime is 1012554530549. The reversal of 1012554530540 is 450354552101.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 1012554530540.

It is not an unprimeable number, because it can be changed into a prime (1012554530549) 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, 4630880 + ... + 4844600.

It is an arithmetic number, because the mean of its divisors is an integer number (25935592144).

Almost surely, 2^{1012554530540} is an apocalyptic number.

1012554530540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1012554530540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1244908422912).

1012554530540 is an abundant number, since it is smaller than the sum of its proper divisors (1477262315284).

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

1012554530540 is a wasteful number, since it uses less digits than its factorization.

1012554530540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214567 (or 214565 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 1012554530540 in words is "one trillion, twelve billion, five hundred fifty-four million, five hundred thirty thousand, five hundred forty".