1002121230200 has 24 divisors (see below), whose sum is σ = 2329931860680. Its totient is φ = 400848492000.

The previous prime is 1002121230197. The next prime is 1002121230259. The reversal of 1002121230200 is 20321212001.

It is a happy number.

It is a super-2 number, since 2×1002121230200² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2505302876 + ... + 2505303275.

It is an arithmetic number, because the mean of its divisors is an integer number (97080494195).

Almost surely, 2^{1002121230200} is an apocalyptic number.

1002121230200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002121230200 is an abundant number, since it is smaller than the sum of its proper divisors (1327810630480).

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

1002121230200 is a wasteful number, since it uses less digits than its factorization.

1002121230200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010606167 (or 5010606158 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1002121230200 its reverse (20321212001), we get a palindrome (1022442442201).

It can be divided in two parts, 1002121 and 230200, that added together give a palindrome (1232321).

The spelling of 1002121230200 in words is "one trillion, two billion, one hundred twenty-one million, two hundred thirty thousand, two hundred".