1210123101400 has 96 divisors (see below), whose sum is σ = 2826493200000. Its totient is φ = 481822801920.

The previous prime is 1210123101377. The next prime is 1210123101479. The reversal of 1210123101400 is 41013210121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79611001 + ... + 79626199.

It is an arithmetic number, because the mean of its divisors is an integer number (29442637500).

Almost surely, 2^{1210123101400} is an apocalyptic number.

1210123101400 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 1210123101400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1413246600000).

1210123101400 is an abundant number, since it is smaller than the sum of its proper divisors (1616370098600).

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

1210123101400 is a wasteful number, since it uses less digits than its factorization.

1210123101400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17021 (or 17012 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1210123101400 its reverse (41013210121), we get a palindrome (1251136311521).

The spelling of 1210123101400 in words is "one trillion, two hundred ten billion, one hundred twenty-three million, one hundred one thousand, four hundred".