1205211145330 has 8 divisors (see below), whose sum is σ = 2169380061612. Its totient is φ = 482084458128.

The previous prime is 1205211145297. The next prime is 1205211145337. The reversal of 1205211145330 is 335411125021.

It can be written as a sum of positive squares in 2 ways, for example, as 1060778463481 + 144432681849 = 1029941^2 + 380043^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1205211145337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60260557257 + ... + 60260557276.

Almost surely, 2^{1205211145330} is an apocalyptic number.

1205211145330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1205211145330 is a deficient number, since it is larger than the sum of its proper divisors (964168916282).

1205211145330 is a wasteful number, since it uses less digits than its factorization.

1205211145330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120521114540.

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 1205211145330 in words is "one trillion, two hundred five billion, two hundred eleven million, one hundred forty-five thousand, three hundred thirty".