1210542462420 has 144 divisors (see below), whose sum is σ = 3598735609728. Its totient is φ = 303989080320.

The previous prime is 1210542462419. The next prime is 1210542462421. The reversal of 1210542462420 is 242642450121.

It is an interprime number because it is at equal distance from previous prime (1210542462419) and next prime (1210542462421).

It is a super-2 number, since 2×1210542462420² (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 (1210542462421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3449890 + ... + 3784550.

It is an arithmetic number, because the mean of its divisors is an integer number (24991219512).

Almost surely, 2^{1210542462420} is an apocalyptic number.

1210542462420 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 1210542462420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1799367804864).

1210542462420 is an abundant number, since it is smaller than the sum of its proper divisors (2388193147308).

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

1210542462420 is a wasteful number, since it uses less digits than its factorization.

1210542462420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334878 (or 334857 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The spelling of 1210542462420 in words is "one trillion, two hundred ten billion, five hundred forty-two million, four hundred sixty-two thousand, four hundred twenty".