1201342423290 has 64 divisors (see below), whose sum is σ = 3055949057664. Its totient is φ = 301204656128.

The previous prime is 1201342423289. The next prime is 1201342423357. The reversal of 1201342423290 is 923242431021.

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, 707244 + ... + 1703783.

It is an arithmetic number, because the mean of its divisors is an integer number (47749204026).

Almost surely, 2^{1201342423290} is an apocalyptic number.

1201342423290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201342423290 is an abundant number, since it is smaller than the sum of its proper divisors (1854606634374).

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

1201342423290 is a wasteful number, since it uses less digits than its factorization.

1201342423290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412031.

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 1201342423290 in words is "one trillion, two hundred one billion, three hundred forty-two million, four hundred twenty-three thousand, two hundred ninety".