1202321100012 has 12 divisors (see below), whose sum is σ = 2805415900056. Its totient is φ = 400773700000.

The previous prime is 1202321099983. The next prime is 1202321100031. The reversal of 1202321100012 is 2100011232021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1202321099964 and 1202321100000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50096712489 + ... + 50096712512.

It is an arithmetic number, because the mean of its divisors is an integer number (233784658338).

Almost surely, 2^{1202321100012} is an apocalyptic number.

1202321100012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1202321100012 is an abundant number, since it is smaller than the sum of its proper divisors (1603094800044).

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

1202321100012 is a wasteful number, since it uses less digits than its factorization.

1202321100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100193425008 (or 100193425006 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1202321100012 its reverse (2100011232021), we get a palindrome (3302332332033).

The spelling of 1202321100012 in words is "one trillion, two hundred two billion, three hundred twenty-one million, one hundred thousand, twelve".