12611202603000 has 128 divisors (see below), whose sum is σ = 39355206246720. Its totient is φ = 3362281881600.

The previous prime is 12611202602989. The next prime is 12611202603061. The reversal of 12611202603000 is 30620211621.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13940472 + ... + 14817528.

Almost surely, 2^{12611202603000} is an apocalyptic number.

12611202603000 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 12611202603000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19677603123360).

12611202603000 is an abundant number, since it is smaller than the sum of its proper divisors (26744003643720).

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

12611202603000 is a wasteful number, since it uses less digits than its factorization.

12611202603000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881874 (or 881860 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12611202603000 its reverse (30620211621), we get a palindrome (12641822814621).

The spelling of 12611202603000 in words is "twelve trillion, six hundred eleven billion, two hundred two million, six hundred three thousand".