1001202101012 has 48 divisors (see below), whose sum is σ = 1868022777600. Its totient is φ = 467890752000.

The previous prime is 1001202100973. The next prime is 1001202101027. The reversal of 1001202101012 is 2101012021001.

It is a junction number, because it is equal to n+sod(n) for n = 1001202100984 and 1001202101002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68799137 + ... + 68813687.

It is an arithmetic number, because the mean of its divisors is an integer number (38917141200).

Almost surely, 2^{1001202101012} is an apocalyptic number.

It is an amenable number.

1001202101012 is a deficient number, since it is larger than the sum of its proper divisors (866820676588).

1001202101012 is a wasteful number, since it uses less digits than its factorization.

1001202101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21512 (or 21510 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1001202101012 its reverse (2101012021001), we get a palindrome (3102214122013).

The spelling of 1001202101012 in words is "one trillion, one billion, two hundred two million, one hundred one thousand, twelve".