1025211261210 has 16 divisors (see below), whose sum is σ = 2460507026976. Its totient is φ = 273389669648.

The previous prime is 1025211261199. The next prime is 1025211261241. The reversal of 1025211261210 is 121621125201.

It is a happy number.

It is a super-2 number, since 2×1025211261210² (a number of 25 digits) contains 22 as substring.

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, 17086854324 + ... + 17086854383.

It is an arithmetic number, because the mean of its divisors is an integer number (153781689186).

Almost surely, 2^{1025211261210} is an apocalyptic number.

1025211261210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1025211261210 is an abundant number, since it is smaller than the sum of its proper divisors (1435295765766).

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

1025211261210 is a wasteful number, since it uses less digits than its factorization.

1025211261210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34173708717.

The product of its (nonzero) digits is 480, while the sum is 24.

Adding to 1025211261210 its reverse (121621125201), we get a palindrome (1146832386411).

The spelling of 1025211261210 in words is "one trillion, twenty-five billion, two hundred eleven million, two hundred sixty-one thousand, two hundred ten".