1321032210002 has 16 divisors (see below), whose sum is σ = 1989185631192. Its totient is φ = 657971717760.

The previous prime is 1321032209999. The next prime is 1321032210013. The reversal of 1321032210002 is 2000122301231.

It can be written as a sum of positive squares in 4 ways, for example, as 1268774707201 + 52257502801 = 1126399^2 + 228599^2 .

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, 1573748 + ... + 2262464.

Almost surely, 2^{1321032210002} is an apocalyptic number.

1321032210002 is a deficient number, since it is larger than the sum of its proper divisors (668153421190).

1321032210002 is a wasteful number, since it uses less digits than its factorization.

1321032210002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692413.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1321032210002 its reverse (2000122301231), we get a palindrome (3321154511233).

The spelling of 1321032210002 in words is "one trillion, three hundred twenty-one billion, thirty-two million, two hundred ten thousand, two".