1202122010100 has 72 divisors (see below), whose sum is σ = 3794334209568. Its totient is φ = 291423516800.

The previous prime is 1202122010029. The next prime is 1202122010137. The reversal of 1202122010100 is 10102212021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182136399 + ... + 182142998.

It is an arithmetic number, because the mean of its divisors is an integer number (52699086244).

Almost surely, 2^{1202122010100} is an apocalyptic number.

1202122010100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202122010100 is an abundant number, since it is smaller than the sum of its proper divisors (2592212199468).

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

1202122010100 is a wasteful number, since it uses less digits than its factorization.

1202122010100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364279425 (or 364279418 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1202122010100 its reverse (10102212021), we get a palindrome (1212224222121).

It can be divided in two parts, 120212 and 2010100, that added together give a palindrome (2130312).

The spelling of 1202122010100 in words is "one trillion, two hundred two billion, one hundred twenty-two million, ten thousand, one hundred".