1361212321250 has 120 divisors (see below), whose sum is σ = 2713484944368. Its totient is φ = 511867980000.

The previous prime is 1361212321243. The next prime is 1361212321291. The reversal of 1361212321250 is 521232121631.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 59102237 + ... + 59125263.

Almost surely, 2^{1361212321250} is an apocalyptic number.

1361212321250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1361212321250 is a deficient number, since it is larger than the sum of its proper divisors (1352272623118).

1361212321250 is a wasteful number, since it uses less digits than its factorization.

1361212321250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23218 (or 23184 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 1361212321250 its reverse (521232121631), we get a palindrome (1882444442881).

The spelling of 1361212321250 in words is "one trillion, three hundred sixty-one billion, two hundred twelve million, three hundred twenty-one thousand, two hundred fifty".