1212053234345 has 8 divisors (see below), whose sum is σ = 1455181438464. Its totient is φ = 969164215984.

The previous prime is 1212053234341. The next prime is 1212053234401. The reversal of 1212053234345 is 5434323502121.

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

It is a cyclic number.

It is not a de Polignac number, because 1212053234345 - 2² = 1212053234341 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212053234341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59785289 + ... + 59805558.

It is an arithmetic number, because the mean of its divisors is an integer number (181897679808).

Almost surely, 2^{1212053234345} is an apocalyptic number.

It is an amenable number.

1212053234345 is a deficient number, since it is larger than the sum of its proper divisors (243128204119).

1212053234345 is a wasteful number, since it uses less digits than its factorization.

1212053234345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119592879.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 1212053234345 its reverse (5434323502121), we get a palindrome (6646376736466).

The spelling of 1212053234345 in words is "one trillion, two hundred twelve billion, fifty-three million, two hundred thirty-four thousand, three hundred forty-five".