1210340131040 has 48 divisors (see below), whose sum is σ = 3009924807120. Its totient is φ = 458655206400.

The previous prime is 1210340131027. The next prime is 1210340131067. The reversal of 1210340131040 is 401310430121.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 199066061 + ... + 199072140.

It is an arithmetic number, because the mean of its divisors is an integer number (62706766815).

Almost surely, 2^{1210340131040} is an apocalyptic number.

1210340131040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210340131040 is an abundant number, since it is smaller than the sum of its proper divisors (1799584676080).

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

1210340131040 is a wasteful number, since it uses less digits than its factorization.

1210340131040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398138235 (or 398138227 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1210340131040 its reverse (401310430121), we get a palindrome (1611650561161).

The spelling of 1210340131040 in words is "one trillion, two hundred ten billion, three hundred forty million, one hundred thirty-one thousand, forty".