1206421050384 has 405 divisors, whose sum is σ = 3806731815159. Its totient is φ = 356399746560.

The previous prime is 1206421050313. The next prime is 1206421050463. The reversal of 1206421050384 is 4830501246021.

It is a happy number.

The square root of 1206421050384 is 1098372.

It is a perfect power (a square), and thus also a powerful number.

1206421050384 is a `hidden beast` number, since 1 + 2 + 0 + 64 + 2 + 10 + 503 + 84 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 289952784 + 1206131097600 = 17028^2 + 1098240^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 7684210434 + ... + 7684210590.

Almost surely, 2^{1206421050384} is an apocalyptic number.

1206421050384 is the 1098372-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1206421050384

1206421050384 is an abundant number, since it is smaller than the sum of its proper divisors (2600310764775).

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

1206421050384 is a wasteful number, since it uses less digits than its factorization.

1206421050384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

Multiplying 1206421050384 by its sum of digits (36), we get a square (43431157813824 = 6590232²).

1206421050384 divided by its sum of digits (36) gives a square (33511695844 = 183062²).

The spelling of 1206421050384 in words is "one trillion, two hundred six billion, four hundred twenty-one million, fifty thousand, three hundred eighty-four".