1202100020010 has 48 divisors (see below), whose sum is σ = 3209931954216. Its totient is φ = 311896220544.

The previous prime is 1202100019871. The next prime is 1202100020021. The reversal of 1202100020010 is 100200012021.

It can be written as a sum of positive squares in 4 ways, for example, as 858789570681 + 343310449329 = 926709^2 + 585927^2 .

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 = 1202100019974 and 1202100020001.

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, 180492169 + ... + 180498828.

Almost surely, 2^{1202100020010} is an apocalyptic number.

1202100020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1202100020010 is an abundant number, since it is smaller than the sum of its proper divisors (2007831934206).

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

1202100020010 is a wasteful number, since it uses less digits than its factorization.

1202100020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360991047 (or 360991044 counting only the distinct ones).

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

Adding to 1202100020010 its reverse (100200012021), we get a palindrome (1302300032031).

The spelling of 1202100020010 in words is "one trillion, two hundred two billion, one hundred million, twenty thousand, ten".