1321001303010 has 16 divisors (see below), whose sum is σ = 3170403127296. Its totient is φ = 352267014128.

The previous prime is 1321001302963. The next prime is 1321001303023. The reversal of 1321001303010 is 103031001231.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 22016688354 + ... + 22016688413.

It is an arithmetic number, because the mean of its divisors is an integer number (198150195456).

Almost surely, 2^{1321001303010} is an apocalyptic number.

1321001303010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321001303010 is an abundant number, since it is smaller than the sum of its proper divisors (1849401824286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1321001303010 is a wasteful number, since it uses less digits than its factorization.

1321001303010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44033376777.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 1321001303010 its reverse (103031001231), we get a palindrome (1424032304241).

The spelling of 1321001303010 in words is "one trillion, three hundred twenty-one billion, one million, three hundred three thousand, ten".