1236530656060 has 96 divisors (see below), whose sum is σ = 3070622338560. Its totient is φ = 409252263168.

The previous prime is 1236530656007. The next prime is 1236530656073. The reversal of 1236530656060 is 606560356321.

It is a junction number, because it is equal to n+sod(n) for n = 1236530655998 and 1236530656016.

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, 22233207 + ... + 22288753.

It is an arithmetic number, because the mean of its divisors is an integer number (31985649360).

Almost surely, 2^{1236530656060} is an apocalyptic number.

1236530656060 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 1236530656060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1535311169280).

1236530656060 is an abundant number, since it is smaller than the sum of its proper divisors (1834091682500).

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

1236530656060 is a wasteful number, since it uses less digits than its factorization.

1236530656060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61075 (or 61073 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 43.

It can be divided in two parts, 1236 and 530656060, that added together give a square (530657296 = 23036²).

The spelling of 1236530656060 in words is "one trillion, two hundred thirty-six billion, five hundred thirty million, six hundred fifty-six thousand, sixty".