1202012020100 has 36 divisors (see below), whose sum is σ = 2608426800000. Its totient is φ = 480793616160.

The previous prime is 1202012020093. The next prime is 1202012020129. The reversal of 1202012020100 is 10202102021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5186501 + ... + 5413299.

It is an arithmetic number, because the mean of its divisors is an integer number (72456300000).

Almost surely, 2^{1202012020100} is an apocalyptic number.

1202012020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202012020100 is an abundant number, since it is smaller than the sum of its proper divisors (1406414779900).

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

1202012020100 is a wasteful number, since it uses less digits than its factorization.

1202012020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279812 (or 279805 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1202012020100 its reverse (10202102021), we get a palindrome (1212214122121).

The spelling of 1202012020100 in words is "one trillion, two hundred two billion, twelve million, twenty thousand, one hundred".