1421202262650 has 48 divisors (see below), whose sum is σ = 3526084223904. Its totient is φ = 378825698880.

The previous prime is 1421202262633. The next prime is 1421202262657. The reversal of 1421202262650 is 562622021241.

It is a super-2 number, since 2×1421202262650² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1421202262657) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1666417 + ... + 2370516.

It is an arithmetic number, because the mean of its divisors is an integer number (73460087998).

Almost surely, 2^{1421202262650} is an apocalyptic number.

1421202262650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1421202262650 is an abundant number, since it is smaller than the sum of its proper divisors (2104881961254).

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

1421202262650 is a wasteful number, since it uses less digits than its factorization.

1421202262650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4039295 (or 4039290 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 1421202262650 its reverse (562622021241), we get a palindrome (1983824283891).

The spelling of 1421202262650 in words is "one trillion, four hundred twenty-one billion, two hundred two million, two hundred sixty-two thousand, six hundred fifty".