1211201052310 has 16 divisors (see below), whose sum is σ = 2207758881600. Its totient is φ = 478347757056.

The previous prime is 1211201052307. The next prime is 1211201052317. The reversal of 1211201052310 is 132501021121.

It is a super-2 number, since 2×1211201052310² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211201052317) 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, 766582155 + ... + 766583734.

It is an arithmetic number, because the mean of its divisors is an integer number (137984930100).

Almost surely, 2^{1211201052310} is an apocalyptic number.

1211201052310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211201052310 is a deficient number, since it is larger than the sum of its proper divisors (996557829290).

1211201052310 is a wasteful number, since it uses less digits than its factorization.

1211201052310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533165975.

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 1211201052310 its reverse (132501021121), we get a palindrome (1343702073431).

The spelling of 1211201052310 in words is "one trillion, two hundred eleven billion, two hundred one million, fifty-two thousand, three hundred ten".