1215050217050 has 12 divisors (see below), whose sum is σ = 2259993403806. Its totient is φ = 486020086800.

The previous prime is 1215050217001. The next prime is 1215050217091. The reversal of 1215050217050 is 507120505121.

It can be written as a sum of positive squares in 3 ways, for example, as 914503952209 + 300546264841 = 956297^2 + 548221^2 .

It is a super-2 number, since 2×1215050217050² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12150502121 + ... + 12150502220.

Almost surely, 2^{1215050217050} is an apocalyptic number.

1215050217050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1215050217050 is a deficient number, since it is larger than the sum of its proper divisors (1044943186756).

1215050217050 is a wasteful number, since it uses less digits than its factorization.

1215050217050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24301004353 (or 24301004348 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 29.

The spelling of 1215050217050 in words is "one trillion, two hundred fifteen billion, fifty million, two hundred seventeen thousand, fifty".