1210002020210 has 16 divisors (see below), whose sum is σ = 2178086933016. Its totient is φ = 483982297728.

The previous prime is 1210002020189. The next prime is 1210002020243. The reversal of 1210002020210 is 120202000121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 553355966641 + 656646053569 = 743879^2 + 810337^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1210002020191 and 1210002020200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2037677 + ... + 2563616.

Almost surely, 2^{1210002020210} is an apocalyptic number.

1210002020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1210002020210 is a deficient number, since it is larger than the sum of its proper divisors (968084912806).

1210002020210 is a wasteful number, since it uses less digits than its factorization.

1210002020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4627597.

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

Adding to 1210002020210 its reverse (120202000121), we get a palindrome (1330204020331).

The spelling of 1210002020210 in words is "one trillion, two hundred ten billion, two million, twenty thousand, two hundred ten".