1020001001210 has 8 divisors (see below), whose sum is σ = 1836001802196. Its totient is φ = 408000400480.

The previous prime is 1020001001141. The next prime is 1020001001213. The reversal of 1020001001210 is 121001000201.

It can be written as a sum of positive squares in 2 ways, for example, as 996864461761 + 23136539449 = 998431^2 + 152107^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1020001001210³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020001001213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51000050051 + ... + 51000050070.

Almost surely, 2^{1020001001210} is an apocalyptic number.

1020001001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020001001210 is a deficient number, since it is larger than the sum of its proper divisors (816000800986).

1020001001210 is a wasteful number, since it uses less digits than its factorization.

1020001001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102000100128.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1020001001210 its reverse (121001000201), we get a palindrome (1141002001411).

The spelling of 1020001001210 in words is "one trillion, twenty billion, one million, one thousand, two hundred ten".