1242260692870 has 32 divisors (see below), whose sum is σ = 2360741666400. Its totient is φ = 469354507776.

The previous prime is 1242260692847. The next prime is 1242260692891. The reversal of 1242260692870 is 782960622421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9636585 + ... + 9764644.

It is an arithmetic number, because the mean of its divisors is an integer number (73773177075).

Almost surely, 2^{1242260692870} is an apocalyptic number.

1242260692870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242260692870 is a deficient number, since it is larger than the sum of its proper divisors (1118480973530).

1242260692870 is a wasteful number, since it uses less digits than its factorization.

1242260692870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19401592.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 1242260692870 in words is "one trillion, two hundred forty-two billion, two hundred sixty million, six hundred ninety-two thousand, eight hundred seventy".