1322621764612 has 6 divisors (see below), whose sum is σ = 2314588088078. Its totient is φ = 661310882304.

The previous prime is 1322621764609. The next prime is 1322621764613. The reversal of 1322621764612 is 2164671262231.

It can be written as a sum of positive squares in only one way, i.e., 1069226313156 + 253395451456 = 1034034^2 + 503384^2 .

It is not an unprimeable number, because it can be changed into a prime (1322621764613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165327720573 + ... + 165327720580.

Almost surely, 2^{1322621764612} is an apocalyptic number.

It is an amenable number.

1322621764612 is a deficient number, since it is larger than the sum of its proper divisors (991966323466).

1322621764612 is a wasteful number, since it uses less digits than its factorization.

1322621764612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330655441157 (or 330655441155 counting only the distinct ones).

The product of its digits is 290304, while the sum is 43.

The spelling of 1322621764612 in words is "one trillion, three hundred twenty-two billion, six hundred twenty-one million, seven hundred sixty-four thousand, six hundred twelve".