1356212520234 has 256 divisors, whose sum is σ = 3594608640000. Its totient is φ = 373627779840.

The previous prime is 1356212520167. The next prime is 1356212520253. The reversal of 1356212520234 is 4320252126531.

1356212520234 is a `hidden beast` number, since 1 + 3 + 5 + 621 + 2 + 5 + 2 + 0 + 23 + 4 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 136311492 + ... + 136321440.

It is an arithmetic number, because the mean of its divisors is an integer number (14041440000).

Almost surely, 2^{1356212520234} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1356212520234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1797304320000).

1356212520234 is an abundant number, since it is smaller than the sum of its proper divisors (2238396119766).

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

1356212520234 is a wasteful number, since it uses less digits than its factorization.

1356212520234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10250 (or 10244 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 1356212520234 its reverse (4320252126531), we get a palindrome (5676464646765).

The spelling of 1356212520234 in words is "one trillion, three hundred fifty-six billion, two hundred twelve million, five hundred twenty thousand, two hundred thirty-four".