1202100121012 has 24 divisors (see below), whose sum is σ = 2434633160960. Its totient is φ = 508664426400.

The previous prime is 1202100120979. The next prime is 1202100121039. The reversal of 1202100121012 is 2101210012021.

It is a junction number, because it is equal to n+sod(n) for n = 1202100120983 and 1202100121001.

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 7 ways as a sum of consecutive naturals, for example, 271720239 + ... + 271724662.

Almost surely, 2^{1202100121012} is an apocalyptic number.

It is an amenable number.

1202100121012 is an abundant number, since it is smaller than the sum of its proper divisors (1232533039948).

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

1202100121012 is a wasteful number, since it uses less digits than its factorization.

1202100121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543444991 (or 543444989 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1202100121012 its reverse (2101210012021), we get a palindrome (3303310133033).

The spelling of 1202100121012 in words is "one trillion, two hundred two billion, one hundred million, one hundred twenty-one thousand, twelve".