1202020100010 has 192 divisors, whose sum is σ = 3385619752320. Its totient is φ = 294851612160.

The previous prime is 1202020099997. The next prime is 1202020100011. The reversal of 1202020100010 is 100010202021.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1202020099965 and 1202020100001.

It is not an unprimeable number, because it can be changed into a prime (1202020100011) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 31046224 + ... + 31084916.

It is an arithmetic number, because the mean of its divisors is an integer number (17633436210).

Almost surely, 2^{1202020100010} is an apocalyptic number.

1202020100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1202020100010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1692809876160).

1202020100010 is an abundant number, since it is smaller than the sum of its proper divisors (2183599652310).

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

1202020100010 is a wasteful number, since it uses less digits than its factorization.

1202020100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39253 (or 39250 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1202020100010 its reverse (100010202021), we get a palindrome (1302030302031).

The spelling of 1202020100010 in words is "one trillion, two hundred two billion, twenty million, one hundred thousand, ten".