1202210210100 has 144 divisors (see below), whose sum is σ = 3559153449600. Its totient is φ = 313216780800.

The previous prime is 1202210210099. The next prime is 1202210210111. The reversal of 1202210210100 is 10120122021.

It is a super-2 number, since 2×1202210210100² (a number of 25 digits) contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 2506249 + ... + 2947151.

It is an arithmetic number, because the mean of its divisors is an integer number (24716343400).

Almost surely, 2^{1202210210100} is an apocalyptic number.

1202210210100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1202210210100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1779576724800).

1202210210100 is an abundant number, since it is smaller than the sum of its proper divisors (2356943239500).

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

1202210210100 is a wasteful number, since it uses less digits than its factorization.

1202210210100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441130 (or 441123 counting only the distinct ones).

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

Adding to 1202210210100 its reverse (10120122021), we get a palindrome (1212330332121).

The spelling of 1202210210100 in words is "one trillion, two hundred two billion, two hundred ten million, two hundred ten thousand, one hundred".