1200211001210 has 64 divisors (see below), whose sum is σ = 2542884793344. Its totient is φ = 403632460800.

The previous prime is 1200211001147. The next prime is 1200211001219. The reversal of 1200211001210 is 121001120021.

It is a junction number, because it is equal to n+sod(n) for n = 1200211001191 and 1200211001200.

It is not an unprimeable number, because it can be changed into a prime (1200211001219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8690876 + ... + 8827895.

It is an arithmetic number, because the mean of its divisors is an integer number (39732574896).

Almost surely, 2^{1200211001210} is an apocalyptic number.

1200211001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200211001210 is an abundant number, since it is smaller than the sum of its proper divisors (1342673792134).

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

1200211001210 is a wasteful number, since it uses less digits than its factorization.

1200211001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17518839.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1200211001210 its reverse (121001120021), we get a palindrome (1321212121231).

The spelling of 1200211001210 in words is "one trillion, two hundred billion, two hundred eleven million, one thousand, two hundred ten".