1210142113400 has 192 divisors, whose sum is σ = 3291057216000. Its totient is φ = 408922675200.

The previous prime is 1210142113379. The next prime is 1210142113441. The reversal of 1210142113400 is 43112410121.

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 47 ways as a sum of consecutive naturals, for example, 2749811 + ... + 3159389.

It is an arithmetic number, because the mean of its divisors is an integer number (17140923000).

Almost surely, 2^{1210142113400} is an apocalyptic number.

1210142113400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1210142113400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1645528608000).

1210142113400 is an abundant number, since it is smaller than the sum of its proper divisors (2080915102600).

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

1210142113400 is a wasteful number, since it uses less digits than its factorization.

1210142113400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409702 (or 409693 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1210142113400 its reverse (43112410121), we get a palindrome (1253254523521).

The spelling of 1210142113400 in words is "one trillion, two hundred ten billion, one hundred forty-two million, one hundred thirteen thousand, four hundred".