1202040421242 has 32 divisors (see below), whose sum is σ = 2492645443200. Its totient is φ = 385982321088.

The previous prime is 1202040421181. The next prime is 1202040421301. The reversal of 1202040421242 is 2421240402021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7791813 + ... + 7944584.

It is an arithmetic number, because the mean of its divisors is an integer number (77895170100).

Almost surely, 2^{1202040421242} is an apocalyptic number.

1202040421242 is an abundant number, since it is smaller than the sum of its proper divisors (1290605021958).

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

1202040421242 is a wasteful number, since it uses less digits than its factorization.

1202040421242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15736870.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 1202040421242 its reverse (2421240402021), we get a palindrome (3623280823263).

The spelling of 1202040421242 in words is "one trillion, two hundred two billion, forty million, four hundred twenty-one thousand, two hundred forty-two".