101200312121210 has 16 divisors (see below), whose sum is σ = 182161179687816. Its totient is φ = 40479987544128.

The previous prime is 101200312121203. The next prime is 101200312121213. The reversal of 101200312121210 is 12121213002101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 45717165533809 + 55483146587401 = 6761447^2 + 7448701^2 .

It is not an unprimeable number, because it can be changed into a prime (101200312121213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14040377 + ... + 19988316.

Almost surely, 2^{101200312121210} is an apocalyptic number.

101200312121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101200312121210 is a deficient number, since it is larger than the sum of its proper divisors (80960867566606).

101200312121210 is a wasteful number, since it uses less digits than its factorization.

101200312121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34326097.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 101200312121210 its reverse (12121213002101), we get a palindrome (113321525123311).

The spelling of 101200312121210 in words is "one hundred one trillion, two hundred billion, three hundred twelve million, one hundred twenty-one thousand, two hundred ten".