1212960623 has 4 divisors (see below), whose sum is σ = 1386240720. Its totient is φ = 1039680528.

The previous prime is 1212960613. The next prime is 1212960643. The reversal of 1212960623 is 3260692121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3260692121 = 4219 ⋅772859.

It is a cyclic number.

It is not a de Polignac number, because 1212960623 - 2⁴ = 1212960607 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1212960623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212960613) 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, 86640038 + ... + 86640051.

It is an arithmetic number, because the mean of its divisors is an integer number (346560180).

Almost surely, 2^1212960623 is an apocalyptic number.

1212960623 is a deficient number, since it is larger than the sum of its proper divisors (173280097).

1212960623 is an equidigital number, since it uses as much as digits as its factorization.

1212960623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173280096.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 1212960623 is about 34827.5842257254. The cubic root of 1212960623 is about 1066.4706326053.

The spelling of 1212960623 in words is "one billion, two hundred twelve million, nine hundred sixty thousand, six hundred twenty-three".