1212766045 has 8 divisors (see below), whose sum is σ = 1455907680. Its totient is φ = 969820560.

The previous prime is 1212766033. The next prime is 1212766073. The reversal of 1212766045 is 5406672121.

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

It is not a de Polignac number, because 1212766045 - 2¹⁹ = 1212241757 is a prime.

It is a super-4 number, since 4×1212766045⁴ (a number of 37 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1212766045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35071 + ... + 60460.

It is an arithmetic number, because the mean of its divisors is an integer number (181988460).

Almost surely, 2^1212766045 is an apocalyptic number.

It is an amenable number.

1212766045 is a deficient number, since it is larger than the sum of its proper divisors (243141635).

1212766045 is an equidigital number, since it uses as much as digits as its factorization.

1212766045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98075.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 1212766045 is about 34824.7906669947. The cubic root of 1212766045 is about 1066.4136033235.

The spelling of 1212766045 in words is "one billion, two hundred twelve million, seven hundred sixty-six thousand, forty-five".