1210230303240 has 128 divisors (see below), whose sum is σ = 4237645455360. Its totient is φ = 270738441984.

The previous prime is 1210230303197. The next prime is 1210230303283. The reversal of 1210230303240 is 423030320121.

It is an interprime number because it is at equal distance from previous prime (1210230303197) and next prime (1210230303283).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15287652 + ... + 15366611.

It is an arithmetic number, because the mean of its divisors is an integer number (33106605120).

Almost surely, 2^{1210230303240} is an apocalyptic number.

1210230303240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210230303240 is an abundant number, since it is smaller than the sum of its proper divisors (3027415152120).

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

1210230303240 is a wasteful number, since it uses less digits than its factorization.

1210230303240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30654331 (or 30654327 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1210230303240 its reverse (423030320121), we get a palindrome (1633260623361).

The spelling of 1210230303240 in words is "one trillion, two hundred ten billion, two hundred thirty million, three hundred three thousand, two hundred forty".